Fabric: Removing references to MessageQueueThread in RCTSurfacePresenter

Summary: The particular meaningful piece of code that diff removes was added as (successful) attempt to fix an issue which was lately fixed by D14868547.

Reviewed By: mdvacca

Differential Revision: D15242046

fbshipit-source-id: 88a3e3c629d7c5f84c402b03e45034644147fec4

React/Fabric/RCTSurfacePresenter.mm

@@ -10,7 +10,6 @@
 #import <objc/runtime.h>
 #import <mutex>
 #import <jsi/jsi.h>
-#import <cxxreact/MessageQueueThread.h>
 
 #import <React/RCTAssert.h>
 #import <React/RCTBridge+Private.h>
@@ -42,7 +41,6 @@
 using namespace facebook::react;
 
 @interface RCTBridge ()
-- (std::shared_ptr<facebook::react::MessageQueueThread>)jsMessageThread;
 - (void)invokeAsync:(std::function<void()> &&)func;
 @end
 
@@ -225,12 +223,6 @@ using namespace facebook::react;
 
   _contextContainer->registerInstance(_reactNativeConfig, "ReactNativeConfig");
 
-  auto messageQueueThread = _batchedBridge.jsMessageThread;
-  if (messageQueueThread) {
-    // Make sure initializeBridge completed
-    messageQueueThread->runOnQueueSync([] {});
-  }
-
   auto runtime = (facebook::jsi::Runtime *)((RCTCxxBridge *)_batchedBridge).runtime;
 
   RuntimeExecutor runtimeExecutor = [self, runtime](std::function<void(facebook::jsi::Runtime & runtime)> &&callback) {