Revert "controllers merge cont"

This reverts commit 9d493a2377.

package.json

     "react": "*"
   },
   "dependencies": {
+    "react-native-controllers": "^2.0.0",
     "lodash": "^4.13.0"
   },
   "optionalDependencies": {

src/deprecated/indexDeprecated.ios.js

 import Navigation from './../Navigation';
-import {NavigationToolBarIOS} from './controllers';
+import {NavigationToolBarIOS} from 'react-native-controllers';
 
 module.exports = {
   Navigation,

src/deprecated/platformSpecificDeprecated.ios.js

 /*eslint-disable*/
 import Navigation from './../Navigation';
-import Controllers, {Modal, Notification} from './controllers';
+import Controllers, {Modal, Notification} from 'react-native-controllers';
 const React = Controllers.hijackReact();
 const {
   ControllerRegistry,