[gtk/child-props-followup: 3/3] buildable: Remove a mention of <packing>

[Matthias Clasen <matthiasc src gnome org>]

commit 74352e0bee580777109008d50f71a851417d2075
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Apr 5 18:39:17 2019 +0000

    buildable: Remove a mention of <packing>
    
    This is no longer a supported element in ui files.

 gtk/gtkbuildable.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/gtk/gtkbuildable.h b/gtk/gtkbuildable.h
index ba899fa1f8..6972abedd6 100644
--- a/gtk/gtkbuildable.h
+++ b/gtk/gtkbuildable.h
@@ -65,8 +65,7 @@ typedef struct _GtkBuildableIface GtkBuildableIface;
  *  content below <child>. To handle an element, the implementation
  *  must fill in the @parser and @user_data and return %TRUE.
  *  #GtkWidget implements this to parse keyboard accelerators specified
- *  in <accelerator> elements. #GtkContainer implements it to map
- *  properties defined via <packing> elements to child properties.
+ *  in <accelerator> elements. 
  *  Note that @user_data must be freed in @custom_tag_end or @custom_finished.
  * @custom_tag_end: Called for the end tag of each custom element that is
  *  handled by the buildable (see @custom_tag_start).