Remove unused packages

Author: lukemelia

package.json

@@ -23,11 +23,8 @@
     "ember-cli-babel": "^7.7.3",
     "ember-cli-htmlbars": "^3.0.1",
     "ember-cli-release-tag": "^0.1.5",
-    "ember-cli-template-lint": "^1.0.0-beta.1",
     "ember-maybe-import-regenerator": "^0.1.6",
-    "ember-qunit": "^4.4.1",
     "ember-source": "~3.12.0",
-    "ember-source-channel-url": "^1.1.0",
     "eslint": "^6.1.0",
     "eslint-plugin-ember": "^6.2.0",
     "eslint-plugin-node": "^9.0.1",

tests/index-test.js

@@ -157,7 +157,6 @@ describe('build plugin', function() {
                'assets/dummy.css',
                'assets/dummy.js',
                'assets/dummy.map',
-               'assets/test-support.css',
                'assets/test-support.js',
                'assets/test-support.map',
                'assets/tests.js',

tests/index.html

@@ -12,7 +12,6 @@
 
     <link rel="stylesheet" href="{{rootURL}}assets/vendor.css">
     <link rel="stylesheet" href="{{rootURL}}assets/dummy.css">
-    <link rel="stylesheet" href="{{rootURL}}assets/test-support.css">
 
     {{content-for "head-footer"}}
     {{content-for "test-head-footer"}}