Remove MC for runtime scheduler

Summary:
Remove redundant feature flag.

Changelog: [internal]

Reviewed By: javache

Differential Revision: D39382607

fbshipit-source-id: fb0292258e6722160a6a1104aa1c8e35a4281a15

ReactAndroid/src/main/java/com/facebook/react/config/ReactFeatureFlags.java

@@ -70,8 +70,6 @@ public class ReactFeatureFlags {
   /** This feature flag enables logs for Fabric */
   public static boolean enableFabricLogs = false;
 
-  public static boolean enableRuntimeScheduler = false;
-
   /** Feature flag to configure eager attachment of the root view/initialisation of the JS code */
   public static boolean enableEagerRootViewAttachment = false;