Remove useless delay

Author: Jack251970

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -1554,8 +1554,6 @@ await Application.Current.Dispatcher.InvokeAsync(() =>
                 Win32Helper.RestorePreviousKeyboardLayout();
             }
 
-            await Task.Delay(50);
-
             // Update WPF properties
             //MainWindowOpacity = 0;
             MainWindowVisibilityStatus = false;