Removed vue from diff_notes_bundle

This was causing things to explode with having 2 versions of Vue on the page at the same. Webpack will save us once we get that merged in

app/assets/javascripts/diff_notes/components/jump_to_discussion.js.es6

 /* eslint-disable */
 (() => {
-  JumpToDiscussion = Vue.extend({
+  const JumpToDiscussion = Vue.extend({
     mixins: [DiscussionMixins],
     props: {
       discussionId: String

app/assets/javascripts/diff_notes/diff_notes_bundle.js.es6

 /* eslint-disable */
-//= require vue
-//= require vue-resource
 //= require_directory ./models
 //= require_directory ./stores
 //= require_directory ./services