Remove unused dependencies

Author: alexlafroscia

package.json

@@ -32,7 +32,6 @@
   },
   "devDependencies": {
     "broccoli-asset-rev": "^2.4.5",
-    "ember-ajax": "^3.0.0",
     "ember-cli": "2.13.1",
     "ember-cli-dependency-checker": "^1.3.0",
     "ember-cli-eslint": "^3.0.0",
@@ -48,7 +47,6 @@
     "ember-load-initializers": "^1.0.0",
     "ember-resolver": "^4.0.0",
     "ember-source": "~2.13.0",
-    "ember-welcome-page": "^3.0.0",
     "loader.js": "^4.2.3"
   },
   "engines": {

tests/dummy/app/templates/application.hbs

@@ -1,5 +1 @@
-{{!-- The following component displays Ember's default welcome message. --}}
-{{welcome-page}}
-{{!-- Feel free to remove this! --}}
-
 {{outlet}}