removed gravatar injection

app/js/app.js

@@ -1,5 +1,5 @@
 // Declare app level module which depends on ngRoute
-angular.module('NoteWrangler', ['ngRoute', 'ngResource', 'Gravatar'])
+angular.module('NoteWrangler', ['ngRoute', 'ngResource'])
 .config(function($gravatarProvider){
   $gravatarProvider.setSize(100);
 });