Revert "inspector: fix null request_queue dereference in InspectorIo"

This reverts commit 9e4757a.

Signed-off-by: Aaron Lichtman <alichtman@meta.com>

Author: alichtman

src/inspector_io.cc

@@ -250,8 +250,7 @@ std::unique_ptr<InspectorIo> InspectorIo::Start(
                       path,
                       host_port,
                       inspect_publish_uid));
-  if (io->request_queue_ == nullptr ||
-      io->request_queue_->Expired()) {  // Thread is not running
+  if (io->request_queue_->Expired()) {  // Thread is not running
     return nullptr;
   }
   return io;
@@ -273,8 +272,7 @@ InspectorIo::InspectorIo(std::shared_ptr<MainThreadHandle> main_thread,
 }
 
 InspectorIo::~InspectorIo() {
-  if (request_queue_ != nullptr)
-    request_queue_->Post(0, TransportAction::kKill, nullptr);
+  request_queue_->Post(0, TransportAction::kKill, nullptr);
   int err = uv_thread_join(&thread_);
   CHECK_EQ(err, 0);
 }