Remov unused imports

Author: VictoriousRaptor

Flow.Launcher/SettingWindow.xaml.cs

@@ -7,21 +7,17 @@
 using Flow.Launcher.Plugin;
 using Flow.Launcher.Plugin.SharedCommands;
 using Flow.Launcher.ViewModel;
-using Microsoft.VisualBasic;
 using ModernWpf;
 using ModernWpf.Controls;
 using System;
-using System.Drawing.Printing;
 using System.IO;
 using System.Windows;
-using System.Windows.Controls.Primitives;
 using System.Windows.Data;
 using System.Windows.Forms;
 using System.Windows.Input;
 using System.Windows.Interop;
 using System.Windows.Media;
 using System.Windows.Navigation;
-using static System.Windows.Forms.VisualStyles.VisualStyleElement.Window;
 using Button = System.Windows.Controls.Button;
 using Control = System.Windows.Controls.Control;
 using KeyEventArgs = System.Windows.Input.KeyEventArgs;