message: Remove Ember.MODEL_FACTORY_INJECTIONS = true;
  This is no longer needed with modern ember-data.
diff: import Application from '@ember/application';
  -import Ember from 'ember';
  import Resolver from './resolver';
  import loadInitializers from 'ember-load-initializers';
  import config from './config/environment';
  let App;
  -Ember.MODEL_FACTORY_INJECTIONS = true;
  -
  App = Application.extend({
  modulePrefix: config.modulePrefix,
  podModulePrefix: config.podModulePrefix,
  