[5.5] Removed listener listensFor (#21039)

* remove listensFor

* remove listensFor

Author: Victor Isadov

src/Illuminate/Foundation/Console/stubs/listener-duck.stub

@@ -7,15 +7,6 @@ use Illuminate\Contracts\Queue\ShouldQueue;
 
 class DummyClass
 {
-    /**
-     * The events handled by the listener.
-     *
-     * @var array
-     */
-    public static $listensFor = [
-        //
-    ];
-
     /**
      * Create the event listener.
      *

src/Illuminate/Foundation/Console/stubs/listener-queued-duck.stub

@@ -8,16 +8,7 @@ use Illuminate\Contracts\Queue\ShouldQueue;
 class DummyClass implements ShouldQueue
 {
     use InteractsWithQueue;
-
-    /**
-     * The events handled by the listener.
-     *
-     * @var array
-     */
-    public static $listensFor = [
-        //
-    ];
-
+    
     /**
      * Create the event listener.
      *