Remove useTurboModules feature flag (#56901)

Summary:
Pull Request resolved: #56901

The `useTurboModules` feature flag has been removed; it was always set to true on the canary release stage and there are no remaining callers (all inlined in earlier diffs of this stack).

This diff:
- Removes the `useTurboModules` entry from `ReactNativeFeatureFlags.config.js`.
- Updates the description of `enableBridgelessArchitecture` (which referenced `useTurboModules`).
- Regenerates the codegen output: the 7 Kotlin `generated` files in `ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/`, the C++ headers and implementations under `ReactCommon/react/featureflags/` and `ReactCommon/react/nativemodule/featureflags/`, the JNI bridge under `ReactAndroid/src/main/jni/react/featureflags/`, and the JS modules under `src/private/featureflags/`.

The flag is in the `com.facebook.react.internal.featureflags` package and is excluded from `ReactAndroid.api` tracking; no API metadata regeneration is needed.

Behavior is unchanged.

Changelog:
[General][Removed] - Remove the `useTurboModules` feature flag. TurboModules are now always enabled.

Reviewed By: fkgozali

Differential Revision: D105718208

fbshipit-source-id: 98c6c10ae88b4293cee8920275bad13212fbb54c

Author: mdvacca

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlags.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<6fceacd47d09747b6c5868fbb89dc642>>
+ * @generated SignedSource<<8b35aa70eea734a8bfcbb7bd651ba8e2>>
  */
 
 /**
@@ -109,7 +109,7 @@ public object ReactNativeFeatureFlags {
   public fun enableAndroidTextMeasurementOptimizations(): Boolean = accessor.enableAndroidTextMeasurementOptimizations()
 
   /**
-   * Feature flag to enable the new bridgeless architecture. Note: Enabling this will force enable the following flag: `useTurboModules`.
+   * Feature flag to enable the new bridgeless architecture.
    */
   @JvmStatic
   public fun enableBridgelessArchitecture(): Boolean = accessor.enableBridgelessArchitecture()
@@ -540,12 +540,6 @@ public object ReactNativeFeatureFlags {
   @JvmStatic
   public fun useTurboModuleInterop(): Boolean = accessor.useTurboModuleInterop()
 
-  /**
-   * When enabled, NativeModules will be executed by using the TurboModule system
-   */
-  @JvmStatic
-  public fun useTurboModules(): Boolean = accessor.useTurboModules()
-
   /**
    * Use std::unordered_map instead of TinyMap in the Differentiator for improved lookup performance.
    */

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxAccessor.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<86466dcd0447728215ffc23ce0c9fd11>>
+ * @generated SignedSource<<494ed85c58f80b4feb6fb9b83fe7a27e>>
  */
 
 /**
@@ -105,7 +105,6 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
   private var useSharedAnimatedBackendCache: Boolean? = null
   private var useTraitHiddenOnAndroidCache: Boolean? = null
   private var useTurboModuleInteropCache: Boolean? = null
-  private var useTurboModulesCache: Boolean? = null
   private var useUnorderedMapInDifferentiatorCache: Boolean? = null
   private var viewCullingOutsetRatioCache: Double? = null
   private var viewTransitionEnabledCache: Boolean? = null
@@ -877,15 +876,6 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
-  override fun useTurboModules(): Boolean {
-    var cached = useTurboModulesCache
-    if (cached == null) {
-      cached = ReactNativeFeatureFlagsCxxInterop.useTurboModules()
-      useTurboModulesCache = cached
-    }
-    return cached
-  }
-
   override fun useUnorderedMapInDifferentiator(): Boolean {
     var cached = useUnorderedMapInDifferentiatorCache
     if (cached == null) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxInterop.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<674ece24434cc2fa93bca21dc806db2f>>
+ * @generated SignedSource<<16ca9a4b47da90ea71300eb37287e28b>>
  */
 
 /**
@@ -198,8 +198,6 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun useTurboModuleInterop(): Boolean
 
-  @DoNotStrip @JvmStatic public external fun useTurboModules(): Boolean
-
   @DoNotStrip @JvmStatic public external fun useUnorderedMapInDifferentiator(): Boolean
 
   @DoNotStrip @JvmStatic public external fun viewCullingOutsetRatio(): Double

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsDefaults.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<fe71238401f38ad227665a6f0dd6087b>>
+ * @generated SignedSource<<10e6516b3c9cf53ae2e48c8b8cd51033>>
  */
 
 /**
@@ -193,8 +193,6 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun useTurboModuleInterop(): Boolean = false
 
-  override fun useTurboModules(): Boolean = true
-
   override fun useUnorderedMapInDifferentiator(): Boolean = false
 
   override fun viewCullingOutsetRatio(): Double = 0.0

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsLocalAccessor.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<413b2f3808dacfde7b9b059fba25ce13>>
+ * @generated SignedSource<<441fe8be28d4521e1fe9fe7b87b74cf2>>
  */
 
 /**
@@ -109,7 +109,6 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
   private var useSharedAnimatedBackendCache: Boolean? = null
   private var useTraitHiddenOnAndroidCache: Boolean? = null
   private var useTurboModuleInteropCache: Boolean? = null
-  private var useTurboModulesCache: Boolean? = null
   private var useUnorderedMapInDifferentiatorCache: Boolean? = null
   private var viewCullingOutsetRatioCache: Double? = null
   private var viewTransitionEnabledCache: Boolean? = null
@@ -966,16 +965,6 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
     return cached
   }
 
-  override fun useTurboModules(): Boolean {
-    var cached = useTurboModulesCache
-    if (cached == null) {
-      cached = currentProvider.useTurboModules()
-      accessedFeatureFlags.add("useTurboModules")
-      useTurboModulesCache = cached
-    }
-    return cached
-  }
-
   override fun useUnorderedMapInDifferentiator(): Boolean {
     var cached = useUnorderedMapInDifferentiatorCache
     if (cached == null) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsOverrides_RNOSS_Canary_Android.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<e1acac73151ebf19ba401ecf6f40d1ff>>
+ * @generated SignedSource<<0642a793f11832205a362e6d1ae6e081>>
  */
 
 /**
@@ -34,6 +34,4 @@ public open class ReactNativeFeatureFlagsOverrides_RNOSS_Canary_Android : ReactN
   override fun useNativeViewConfigsInBridgelessMode(): Boolean = true
 
   override fun useTurboModuleInterop(): Boolean = true
-
-  override fun useTurboModules(): Boolean = true
 }

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsProvider.kt

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<ba7d0cdd9404c120b189ba04b2506496>>
+ * @generated SignedSource<<972dbaef144818484bafff334cf97ef2>>
  */
 
 /**
@@ -193,8 +193,6 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun useTurboModuleInterop(): Boolean
 
-  @DoNotStrip public fun useTurboModules(): Boolean
-
   @DoNotStrip public fun useUnorderedMapInDifferentiator(): Boolean
 
   @DoNotStrip public fun viewCullingOutsetRatio(): Double

packages/react-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.cpp

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<2eec37a74572edf4fe6a95c277555c98>>
+ * @generated SignedSource<<bb79417efb0f63b2717ea8873b72da88>>
  */
 
 /**
@@ -549,12 +549,6 @@ class ReactNativeFeatureFlagsJavaProvider
     return method(javaProvider_);
   }
 
-  bool useTurboModules() override {
-    static const auto method =
-        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("useTurboModules");
-    return method(javaProvider_);
-  }
-
   bool useUnorderedMapInDifferentiator() override {
     static const auto method =
         getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("useUnorderedMapInDifferentiator");
@@ -1014,11 +1008,6 @@ bool JReactNativeFeatureFlagsCxxInterop::useTurboModuleInterop(
   return ReactNativeFeatureFlags::useTurboModuleInterop();
 }
 
-bool JReactNativeFeatureFlagsCxxInterop::useTurboModules(
-    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
-  return ReactNativeFeatureFlags::useTurboModules();
-}
-
 bool JReactNativeFeatureFlagsCxxInterop::useUnorderedMapInDifferentiator(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
   return ReactNativeFeatureFlags::useUnorderedMapInDifferentiator();
@@ -1330,9 +1319,6 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
       makeNativeMethod(
         "useTurboModuleInterop",
         JReactNativeFeatureFlagsCxxInterop::useTurboModuleInterop),
-      makeNativeMethod(
-        "useTurboModules",
-        JReactNativeFeatureFlagsCxxInterop::useTurboModules),
       makeNativeMethod(
         "useUnorderedMapInDifferentiator",
         JReactNativeFeatureFlagsCxxInterop::useUnorderedMapInDifferentiator),

packages/react-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.h

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<2f2079e166be5c7d3066239ede9bee31>>
+ * @generated SignedSource<<3007628255a078dafc01eb16b3d55fbe>>
  */
 
 /**
@@ -285,9 +285,6 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool useTurboModuleInterop(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
-  static bool useTurboModules(
-    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
-
   static bool useUnorderedMapInDifferentiator(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.cpp

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<86375427ea016f8ce887ed066d1b21ac>>
+ * @generated SignedSource<<5c308b51617953c21d3ae60dc8c530bb>>
  */
 
 /**
@@ -366,10 +366,6 @@ bool ReactNativeFeatureFlags::useTurboModuleInterop() {
   return getAccessor().useTurboModuleInterop();
 }
 
-bool ReactNativeFeatureFlags::useTurboModules() {
-  return getAccessor().useTurboModules();
-}
-
 bool ReactNativeFeatureFlags::useUnorderedMapInDifferentiator() {
   return getAccessor().useUnorderedMapInDifferentiator();
 }