Removing sidebar event classes

Listeners/SidebarNavigationListener.php

-<?php namespace Modules\Core\Listeners;
-
-class SidebarNavigationListener
-{
-    public function handle($event)
-    {
-        //dd($event);
-    }
-}
\ No newline at end of file

Providers/CoreServiceProvider.php

@@ -24,10 +24,6 @@ class CoreServiceProvider extends ServiceProvider
      */
     public function register()
     {
-        $this->app->booted(function ($app)
-        {
-            $app['events']->listen('sidebar.menu.item_event', 'Modules\Core\Listeners\SidebarNavigationListener');
-        });
     }
 
     /**