chore(android): remove legacy code

Author: Minishlink

android/app/src/main/java/com/appzung/codepush/react/CodePushNativeModule.java

@@ -268,11 +268,6 @@ private void loadBundle() {
                     @Override
                     public void run() {
                         try {
-                            // We don't need to resetReactRootViews anymore
-                            // due the issue https://github.com/facebook/react-native/issues/14533
-                            // has been fixed in RN 0.46.0
-                            //resetReactRootViews(instanceManager);
-
                             instanceManager.recreateReactContextInBackground();
                             mCodePush.initializeUpdateAfterRestart();
                         } catch (Exception e) {
@@ -312,20 +307,6 @@ private boolean isLiveReloadEnabled(DevSupportManager devSupportManager) {
         return false;
     }
 
-    // This workaround has been implemented in order to fix https://github.com/facebook/react-native/issues/14533
-    // resetReactRootViews allows to call recreateReactContextInBackground without any exceptions
-    // This fix also relates to https://github.com/microsoft/react-native-code-push/issues/878
-    private void resetReactRootViews(ReactInstanceManager instanceManager) throws NoSuchFieldException, IllegalAccessException {
-        Field mAttachedRootViewsField = instanceManager.getClass().getDeclaredField("mAttachedRootViews");
-        mAttachedRootViewsField.setAccessible(true);
-        List<ReactRootView> mAttachedRootViews = (List<ReactRootView>) mAttachedRootViewsField.get(instanceManager);
-        for (ReactRootView reactRootView : mAttachedRootViews) {
-            reactRootView.removeAllViews();
-            reactRootView.setId(View.NO_ID);
-        }
-        mAttachedRootViewsField.set(instanceManager, mAttachedRootViews);
-    }
-
     private void clearLifecycleEventListener() {
         // Remove LifecycleEventListener to prevent infinite restart loop
         if (mLifecycleEventListener != null) {