DEV: Cleanup unused code

assets/javascripts/discourse/components/knowledge-explorer-tag-list.js.es6

@@ -1,23 +1,3 @@
-import computed from "ember-addons/ember-computed-decorators";
-import { on, observes } from "ember-addons/ember-computed-decorators";
-import { ajax } from "discourse/lib/ajax";
-
-function sortAlpha(a, b) {
-  let aName = a.id.toLowerCase();
-  let bName = b.id.toLowerCase();
-  return aName < bName ? -1 : aName > bName ? 1 : 0;
-}
-
-function sortCount(a, b) {
-  let aCount = a.count;
-  let bCount = b.count;
-
-  return bCount - aCount || a.id.localeCompare(b.id);
-}
-
-let cachedResults = null;
-let lastFetchDate = null;
-
 export default Ember.Component.extend({
   classNames: "knowledge-explorer-tags"
 });