Quickfix against automount hammering v2

do not monitor shortcuts. if shortcuts are set thunar will remount
automount pathes everytime they get expired by autmount -> so they
will never really expire even if totally unused all automount pathes
in bookmarks are always mounted.

this fix lets automount decide when a path is not needed.

thunar/thunar-shortcuts-model.c

@@ -1229,12 +1229,15 @@ thunar_shortcuts_model_add_shortcut_with_path (ThunarShortcutsModel *model,
   _thunar_return_if_fail (THUNAR_IS_SHORTCUTS_MODEL (model));
   _thunar_return_if_fail (shortcut->file == NULL || THUNAR_IS_FILE (shortcut->file));
 
+#if 0
+  /* we want to stay informed about changes to the file */
   if (G_LIKELY (shortcut->file != NULL))
     {
       /* watch the trash for changes */
       if (thunar_g_file_is_trash (thunar_file_get_file (shortcut->file)))
         thunar_file_watch (shortcut->file);
     }
+#endif
 
   if (path == NULL)
     {
@@ -1748,6 +1751,7 @@ static void
 thunar_shortcut_free (ThunarShortcut       *shortcut,
                       ThunarShortcutsModel *model)
 {
+#if 0
   if (G_LIKELY (shortcut->file != NULL))
     {
       /* drop the file watch on trash */
@@ -1756,6 +1760,7 @@ thunar_shortcut_free (ThunarShortcut       *shortcut,
 
       g_object_unref (shortcut->file);
     }
+#endif
 
   if (G_LIKELY (shortcut->device != NULL))
     g_object_unref (shortcut->device);