Fixed double initialisation of ConfigureMainScreen

prs.desktop/MainWindow.xaml.cs

@@ -401,10 +401,6 @@ public partial class MainWindow : IPanelHostControl
                 ConfigureMainScreen(null);
             }
         }
-        else
-        {
-            ConfigureMainScreen(null);
-        }
 
         ProfileName.Content = App.Profile;
         URL.Content = GetDatabaseConnectionDescription();