updated karma config to remove superfluous fixture loading plugin

karma.conf.js

@@ -9,7 +9,7 @@ module.exports = function(config) {
 
     // frameworks to use
     // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
-    frameworks: ['jasmine', 'fixture'],
+    frameworks: ['jasmine'],
 
 
     // list of files / patterns to load in the browser