dont need ember-data/ajax here

package.json

@@ -20,7 +20,6 @@
   "license": "MIT",
   "devDependencies": {
     "broccoli-asset-rev": "^2.2.0",
-    "ember-ajax": "0.7.1",
     "ember-cli": "^2.4.2",
     "ember-cli-app-version": "^1.0.0",
     "ember-cli-babel": "^5.1.5",
@@ -35,7 +34,6 @@
     "ember-cli-sri": "^2.1.0",
     "ember-cli-uglify": "^1.2.0",
     "ember-cli-windows-addon": "^1.2.2",
-    "ember-data": "^2.4.0",
     "ember-disable-proxy-controllers": "^1.0.1",
     "ember-export-application-global": "^1.0.4",
     "ember-load-initializers": "^0.5.0",