remove fake rafs

Author: SimenB

packages/react-dom/src/events/__tests__/ChangeEventPlugin-test.internal.js

@@ -36,13 +36,7 @@ describe('ChangeEventPlugin', () => {
     ReactFeatureFlags = require('shared/ReactFeatureFlags');
     // TODO pull this into helper method, reduce repetition.
     // mock the browser APIs which are used in schedule:
-    // - requestAnimationFrame should pass the DOMHighResTimeStamp argument
     // - calling 'window.postMessage' should actually fire postmessage handlers
-    global.requestAnimationFrame = function(cb) {
-      return setTimeout(() => {
-        cb(Date.now());
-      });
-    };
     const originalAddEventListener = global.addEventListener;
     let postMessageCallback;
     global.addEventListener = function(eventName, callback, useCapture) {

scripts/jest/setupEnvironment.js

@@ -9,10 +9,6 @@ global.__PROFILE__ = NODE_ENV === 'development';
 global.__UMD__ = false;
 
 if (typeof window !== 'undefined') {
-  global.requestAnimationFrame = function(callback) {
-    setTimeout(callback);
-  };
-
   global.requestIdleCallback = function(callback) {
     return setTimeout(() => {
       callback({