Removed no longer needed comment from the form close event handler of…

… the FrmRepBuilder class.

src/srcrepair/FrmRepBuilder.cs

@@ -341,7 +341,6 @@ private async void RP_Generate_Click(object sender, EventArgs e)
         /// <param name="e">Event arguments.</param>
         private void FrmRepBuilder_FormClosing(object sender, FormClosingEventArgs e)
         {
-            // Blocking the ability to close the form window during the report generation process...
             e.Cancel = (e.CloseReason == CloseReason.UserClosing) && IsRunning;
         }
     }