fixed pet attack and null weapon combat issue

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

@@ -46,9 +46,6 @@ public class PetAttackMsgHandler extends AbstractClientMsgHandler {
         if (!pet.isAlive())
             return true;
 
-        if (pet.getCombatTarget() == null)
-            return true;
-
         if ((playerCharacter.inSafeZone())
                 && (msg.getTargetType() == mbEnums.GameObjectType.PlayerCharacter.ordinal()))
             return true;