After code cleanup

AyaNovaQBI/tfa.cs

@@ -1,11 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 
 namespace AyaNovaQBI
@@ -20,13 +13,13 @@ namespace AyaNovaQBI
 
         private void auth_Load(object sender, EventArgs e)
         {
-          
+
         }
 
 
         private void btnVerifyCode_click(object sender, EventArgs e)
         {
-                        
+
             TFAPin = edTFACode.Text;
             if (string.IsNullOrWhiteSpace(TFAPin))
             {
@@ -37,7 +30,7 @@ namespace AyaNovaQBI
             this.Close();
         }
 
-      
+
 
     }
 }