Fix comment at ManagementEventWatcher.cs

src/Files.App/Helpers/WMI/ManagementEventWatcher.cs

@@ -11,7 +11,7 @@ namespace Files.App.Helpers
  public delegate void EventArrivedEventHandler(object sender, EventArrivedEventArgs e);
 
  /// <summary>
- /// A public sealed class used to start/stop the subscription to specific indication source,
+ /// A public class used to start/stop the subscription to specific indication source,
  /// and listen to the incoming indications, event <see cref="EventArrived" />
  /// will be raised for each cimindication.
  /// Original Sourced from: https://codereview.stackexchange.com/questions/255055/trying-to-replace-managementeventwatcher-class-in-system-management-to-switch-to