Unused field removed

src/engine/net/client/handlers/AddItemToTradeWindowMsgHandler.java

@@ -25,7 +25,7 @@ import static engine.objects.CharacterItemManager.canTrade;
 public class AddItemToTradeWindowMsgHandler extends AbstractClientMsgHandler {
 
     public AddItemToTradeWindowMsgHandler() {
-        super(AddItemToTradeWindowMsg.class);
+        super();
     }
 
     @Override