Clean up all code using CodeMaid

Source/GrasscutterTools/Pages/PageAchievement.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Linq;
 using System.Windows.Forms;
+
 using GrasscutterTools.Game;
 using GrasscutterTools.Properties;
 using GrasscutterTools.Utils;
@@ -98,4 +99,4 @@ namespace GrasscutterTools.Pages
             GenSelected("/achievement progress", NUDProgress.Text);
         }
     }
-}
+}