ajax feature was removed; remove from fixture

Author: Gaurav0

test/fixtures/dummy/app/routes/index.js

@@ -1,7 +1,6 @@
 import Route from '@ember/routing/route';
 import { hash } from 'rsvp';
 import fetch, { Request } from 'fetch';
-import ajax from 'ember-fetch/ajax';
 
 export default Route.extend({
   model: function () {
@@ -12,7 +11,6 @@ export default Route.extend({
       request: fetch(new Request('/omg.json')).then(function (request) {
         return request.json();
       }),
-      ajax: ajax('/omg.json'),
     });
   },
 });