[gedit] App: remove leftover comment

[Sébastien Wilmet <swilmet src gnome org>]

commit 91bc04efcda28f6b8b1b8459944b4d51d6f69fc8
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Nov 14 12:41:07 2019 +0100

    App: remove leftover comment
    
    tepl_metadata_manager_shutdown() is called via tepl_finalize(), which is
    called at the end of the main() function.

 gedit/gedit-app.c | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/gedit/gedit-app.c b/gedit/gedit-app.c
index 9147859d9..edd898bd7 100644
--- a/gedit/gedit-app.c
+++ b/gedit/gedit-app.c
@@ -1233,10 +1233,6 @@ gedit_app_shutdown (GApplication *app)
        save_page_setup (GEDIT_APP (app));
        save_print_settings (GEDIT_APP (app));
 
-       /* GTK+ can still hold references to some gedit objects, for example
-        * GeditDocument for the clipboard. So the metadata-manager should be
-        * shutdown after.
-        */
        G_APPLICATION_CLASS (gedit_app_parent_class)->shutdown (app);
 
        gedit_dirs_shutdown ();