Fix unnecessarily requiring `ActorService`

sources/Unreal/NativeActorRef.uc

@@ -81,12 +81,10 @@ public final function NativeActorRef Set(Actor newValue)
 public function bool IsEqual(Object other)
 {
     local NativeActorRef otherBox;
-    local ActorService      service;
     otherBox = NativeActorRef(other);
-    if (otherBox == none)   return false;
-    service = ActorService(class'ActorService'.static.Require());
-    if (service == none)    return false;
-
+    if (otherBox == none) {
+        return false;
+    }
     return Get() == otherBox.Get();
 }