[SkipCI] Remove .cxx build dir when running task "clean"

"delete rootProject.buildDir" not needed anymore, AGP already handles that

Author: ViliusSutkus89

build.gradle

@@ -4,9 +4,6 @@ plugins {
     id 'io.github.gradle-nexus.publish-plugin' version '1.3.0'
 }
 
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}
 
 group = 'com.viliussutkus89'
 version = '0.18.24'

pdf2htmlEX/build.gradle

@@ -110,10 +110,17 @@ publishing {
         }
     }
 }
+
 if (System.getenv('SIGNING_KEY')) {
     signing {
         required { true }
         useInMemoryPgpKeys(System.getenv('SIGNING_KEY'), System.getenv('SIGNING_PASS'))
         sign publishing.publications.release
     }
 }
+
+tasks.named("clean") {
+    doFirst {
+        delete(new File(projectDir, ".cxx"))
+    }
+}