[js] removed unused import

lib/modules/auth/user.js

@@ -1,9 +1,7 @@
 import { NativeModules } from 'react-native';
-import { promisify } from './../../utils';
 
 const FirebaseAuth = NativeModules.RNFirebaseAuth;
 
-// TODO refreshToken property
 
 /**
  * @url https://firebase.google.com/docs/reference/js/firebase.User

tests/ios/Podfile

@@ -12,6 +12,7 @@ target 'ReactNativeFirebaseDemo' do
 
   # Pods for ReactNativeFirebaseDemo
   pod 'React', :path => '../node_modules/react-native'
+
   pod 'Firebase/Auth'
   pod 'Firebase/Analytics'
   pod 'Firebase/AppIndexing'