Cleaned references and imports

PWAPPv2/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 PWAPPv2
 {
@@ -16,7 +10,7 @@ namespace PWAPPv2
         public static string[] Args;
         void app_Startup(object sender, StartupEventArgs e)
         {
-            if(e.Args.Length > 0)
+            if (e.Args.Length > 0)
             {
                 Args = e.Args;
             }