Removed unneccessary using

soheilkd · soheilkd · commit 687314ea6fd8 · 2021-05-25T11:02:23.000+04:30
diff --git a/src/SingleInstance.cs b/src/SingleInstance.cs
@@ -3,7 +3,6 @@
 using System.IO;
 using System.Text;
 using System.Threading;
-using System.Windows;
 using TinyIpc.Messaging;
 
 namespace SingleInstanceCore
