Move native version check to DEV only

Summary: This check isn't needed in prod as the bundle is served with the app. In dev mode it's possible to have native and JS out of sync.

Reviewed By: yungsters

Differential Revision: D15268485

fbshipit-source-id: 9aeeb6cf5ca91baa90b85e18c848c3b10d85b0f7

Libraries/Core/InitializeCore.js

@@ -31,7 +31,6 @@ require('./setUpGlobals');
 require('./polyfillES6Collections');
 require('./setUpSystrace');
 require('./setUpErrorHandling');
-require('./checkNativeVersion');
 require('./polyfillPromise');
 require('./setUpRegeneratorRuntime');
 require('./setUpTimers');
@@ -41,6 +40,7 @@ require('./setUpNavigator');
 require('./setUpBatchedBridge');
 require('./setUpSegmentFetcher');
 if (__DEV__) {
+  require('./checkNativeVersion');
   require('./setUpDeveloperTools');
 }