[ReactNative] Back out D2014163 entirely

Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js

@@ -77,7 +77,6 @@ function handleErrorWithRedBox(e) {
 function setupRedBoxErrorHandler() {
   var ErrorUtils = require('ErrorUtils');
   ErrorUtils.setGlobalHandler(handleErrorWithRedBox);
-  GLOBAL.reportException = require('ExceptionsManager').reportException;
 }
 
 /**
@@ -135,8 +134,8 @@ function setupGeolocation() {
 }
 
 setupDocumentShim();
+setupRedBoxErrorHandler();
 setupTimers();
-setupRedBoxErrorHandler(); // needs to happen after setupTimers
 setupAlert();
 setupPromise();
 setupXHR();