Revert "win32u: Add support for raising EVENT_OBJECT_DESTROY events on windows."

This reverts commit d02075f.

Author: madewokherd

dlls/win32u/window.c

@@ -4704,7 +4704,6 @@ static void send_destroy_message( HWND hwnd )
     if (hwnd == NtUserGetClipboardOwner()) release_clipboard_owner( hwnd );
 
     send_message( hwnd, WM_DESTROY, 0, 0);
-    NtUserNotifyWinEvent( EVENT_OBJECT_DESTROY, hwnd, OBJID_WINDOW, 0 );
 
     /*
      * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow