feedback addressed

Author: Dhileep4290

Toolbar/Hide-ToolbarItems-Show-in-MainToolbar/App.xaml.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Configuration;
-using System.Data;
-using System.Linq;
-using System.Threading.Tasks;
-using System.Windows;
+using System.Windows;
 
 namespace PrintAndSaveButtonInMainToolbar
 {