Issue 6854 - Remove deprecated FilterNotifier methods

lib/filterNotifier.js

Index: lib/filterNotifier.js
===================================================================
--- a/lib/filterNotifier.js
+++ b/lib/filterNotifier.js
@@ -18,69 +18,14 @@
 "use strict";
 
 /**
  * @fileOverview This component manages listeners and calls them to distributes
  * messages about filter changes.
  */
 
 const {EventEmitter} = require("./events");
-const {desc} = require("./coreUtils");
-
-const CATCH_ALL = "__all";
-
-/**
- * @callback FilterNotifierCatchAllListener
- * @param {string} action
- * @param {Subscription|Filter} item
- * @param {...*} additionalInfo
- */
 
 /**
  * This class allows registering and triggering listeners for filter events.
  * @class
  */
-exports.FilterNotifier = Object.create(new EventEmitter(), desc({
-  /**
-   * Adds a listener
-   *
-   * @deprecated use FilterNotifier.on(action, callback)
-   * @param {FilterNotifierCatchAllListener} listener
-   */
-  addListener(listener)
-  {
-    let listeners = this._listeners.get(CATCH_ALL);
-    if (!listeners || listeners.indexOf(listener) == -1)
-      this.on(CATCH_ALL, listener);
-  },
-
-  /**
-   * Removes a listener that was previosly added via addListener
-   *
-   * @deprecated use FilterNotifier.off(action, callback)
-   * @param {FilterNotifierCatchAllListener} listener
-   */
-  removeListener(listener)
-  {
-    this.off(CATCH_ALL, listener);
-  },
-
-  /**
-   * Notifies listeners about an event
-   * @param {string} action event code ("load", "save", "elemhideupdate",
-   *                 "subscription.added", "subscription.removed",
-   *                 "subscription.disabled", "subscription.title",
-   *                 "subscription.lastDownload", "subscription.downloadStatus",
-   *                 "subscription.homepage", "subscription.updated",
-   *                 "filter.added", "filter.removed", "filter.moved",
-   *                 "filter.disabled", "filter.hitCount", "filter.lastHit")
-   * @param {Subscription|Filter} item item that the change applies to
-   * @param {*} param1
-   * @param {*} param2
-   * @param {*} param3
-   * @deprecated use FilterNotifier.emit(action)
-   */
-  triggerListeners(action, item, param1, param2, param3)
-  {
-    this.emit(action, item, param1, param2, param3);
-    this.emit(CATCH_ALL, action, item, param1, param2, param3);
-  }
-}));
+exports.FilterNotifier = Object.create(new EventEmitter());