remove custom ember-prism config

Author: mansona

ember-cli-build.js

@@ -7,26 +7,6 @@ module.exports = function (defaults) {
     rfcProcess: {
       textLocation: 'processed-rfcs',
     },
-
-    'ember-prism': {
-      theme: 'okaidia',
-
-      components: [
-        'apacheconf',
-        'bash',
-        'css',
-        'handlebars',
-        'http',
-        'javascript',
-        'json',
-        'markup-templating',
-        'ruby',
-        'scss',
-        'yaml',
-        'typescript',
-        'diff',
-      ],
-    },
   });
 
   // Use `app.import` to add additional libraries to the generated