Fabric: Disabling RN_SHADOW_TREE_INTROSPECTION

Summary:
It's unclear why, but the introspection infra is enabled somehow in prod.
It must be some kind of misconfiguration somewhere. Until we figure it now, we have to disable it completly.

Reviewed By: mdvacca

Differential Revision: D15908765

fbshipit-source-id: 2b17c61938731d43eaef51b070a4ec1ae9e5e1df

ReactCommon/fabric/mounting/MountingCoordinator.h

@@ -12,10 +12,6 @@
 #include <react/mounting/MountingTransaction.h>
 #include <react/mounting/ShadowTreeRevision.h>
 
-#ifndef NDEBUG
-#define RN_SHADOW_TREE_INTROSPECTION
-#endif
-
 #ifdef RN_SHADOW_TREE_INTROSPECTION
 #include <react/mounting/stubs.h>
 #endif