DEV: Remove unused modifyClass (#119)

The controller customizations are unused since 8996279

Author: davidtaylorhq

assets/javascripts/discourse/initializers/enable-user-notes.js

@@ -1,10 +1,7 @@
-import { observes, on } from "discourse/lib/decorators";
 import { iconNode } from "discourse/lib/icon-library";
 import { withPluginApi } from "discourse/lib/plugin-api";
 import { showUserNotes } from "discourse/plugins/discourse-user-notes/discourse-user-notes/lib/user-notes";
 
-const PLUGIN_ID = "discourse-user-notes";
-
 export default {
   name: "enable-user-notes",
   initialize(container) {
@@ -38,28 +35,6 @@ export default {
         this.model.set("user_custom_fields", cfs);
       });
 
-      api.modifyClass("controller:user", {
-        pluginId: PLUGIN_ID,
-        userNotesCount: null,
-
-        @on("init")
-        @observes("model")
-        _modelChanged: function () {
-          this.set(
-            "userNotesCount",
-            this.get("model.custom_fields.user_notes_count") || 0
-          );
-        },
-
-        actions: {
-          showUserNotes() {
-            showUserNotes(store, this.model.id, (count) =>
-              this.set("userNotesCount", count)
-            );
-          },
-        },
-      });
-
       const mobileView = api.container.lookup("service:site").mobileView;
       const loc = mobileView ? "before" : "after";
       api.decorateWidget(`poster-name:${loc}`, (dec) => {