Optimized imports.

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

@@ -12,8 +12,6 @@ import engine.net.client.msg.ErrorPopupMsg;
 import engine.objects.*;
 import org.pmw.tinylog.Logger;
 
-import java.util.concurrent.ConcurrentHashMap;
-
 /*
  * @Author:
  * @Summary: Processes application protocol message which processes

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

@@ -9,7 +9,6 @@ import engine.net.client.ClientConnection;
 import engine.net.client.msg.ClientNetMsg;
 import engine.net.client.msg.DestroyBuildingMsg;
 import engine.net.client.msg.ErrorPopupMsg;
-import engine.net.client.msg.PlaceAssetMsg;
 import engine.objects.*;
 
 /*