Clean up all code using CodeMaid

Source/GrasscutterTools/Pages/PageSetProp.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Globalization;
-using System.Linq;
 using System.Windows.Forms;
+
 using GrasscutterTools.Game.Props;
 using GrasscutterTools.Properties;
 
@@ -94,4 +94,4 @@ namespace GrasscutterTools.Pages
             LblPlayerPropertyDesc.Text = selectedItem.Description;
         }
     }
-}
+}