remove unneeded method

Author: mukunku

src/ParquetViewer/AboutBox.cs

@@ -213,6 +213,7 @@ private void associateFileExtensionCheckBox_CheckedChanged(object? sender, Event
             }
         }
 
+        //I tested this logic on both Windows 10 & 11 and it works for both
         private static bool AssociateParquetFileExtension(bool dryRun)
         {
             if (!User.IsAdministrator && !dryRun)
@@ -355,11 +356,6 @@ private void AboutBox_Load(object sender, EventArgs e)
             }
         }
 
-        private static void Proc_Exited(object? sender, EventArgs e)
-        {
-            throw new NotImplementedException();
-        }
-
         private void SetCheckboxSilent(bool @checked)
         {
             this.isLoading = true;