Move NetInfo JS module to FB internal

Summary: This removes the NetInfo import from RN and moves it to FB internal. Follow-up diffs will move the Android and iOS files as well.

Reviewed By: rubennorte

Differential Revision: D15392486

fbshipit-source-id: b868b671b8d91661bc7634b4662074ae953835be

Author: cpojer

Libraries/Network/NetInfo.js

@@ -250,15 +250,6 @@ module.exports = {
   get NativeEventEmitter() {
     return require('NativeEventEmitter');
   },
-  get NetInfo() {
-    warnOnce(
-      'netinfo-moved',
-      'NetInfo has been extracted from react-native core and will be removed in a future release. ' +
-        "It can now be installed and imported from '@react-native-community/netinfo' instead of 'react-native'. " +
-        'See https://github.com/react-native-community/react-native-netinfo',
-    );
-    return require('NetInfo');
-  },
   get PanResponder() {
     return require('PanResponder');
   },