Upgrade error message fix

ScaraBattle/ViewModel/GameViewModel.cs

@@ -1138,7 +1138,6 @@ namespace ScaraBattle.ViewModel
                 TowerLevel = ((Tower)cell).Level;
                 TowerSellCost = ((Tower)cell).SellCost;
                 TowerUpgradeCost = ((Tower)cell).UpgradeCost;
-                VisibleInfo = InfoType.Tower;
 
                 if (cell is SmallTower t)
                 {
@@ -1162,7 +1161,6 @@ namespace ScaraBattle.ViewModel
                 OnPropertyChanged(nameof(TowerLevel));
                 OnPropertyChanged(nameof(TowerSellCost));
                 OnPropertyChanged(nameof(TowerUpgradeCost));
-                OnPropertyChanged(nameof(VisibleInfo));
                 OnPropertyChanged(nameof(InfoName));
                 OnPropertyChanged(nameof(InfoImage));
             }