remove unused requirements

karma.conf.js

@@ -20,7 +20,6 @@ module.exports = function(config) {
         'karma-jasmine',
         'karma-jasmine-jquery',
         'karma-firefox-launcher',
-        'karma-phantomjs-launcher',
         'karma-chrome-launcher',
         'karma-coverage',
         'karma-sinon'

package.json

@@ -12,8 +12,6 @@
     "karma-coverage": "latest",
     "karma-firefox-launcher": "latest",
     "karma-jasmine": "latest",
-    "karma-jasmine-jquery": "latest",
-    "karma-phantomjs-launcher": "latest",
     "karma-sinon": "latest",
     "karma-spec-reporter": "latest"
   }