[gtk+] Revert "GtkMenuSectionBox: Add tooltip to iconic buttons"

[Timm Bäder <baedert src gnome org>]

commit 0fac1390578ad9f8e3c21de1b408bb706234dc8b
Author: Timm Bäder <mail baedert org>
Date:   Mon Nov 17 18:39:15 2014 +0100

    Revert "GtkMenuSectionBox: Add tooltip to iconic buttons"
    
    This reverts commit 7543e7b279200ed0aad80574c0a3fa2672f297ce.

 gtk/gtkmenusectionbox.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkmenusectionbox.c b/gtk/gtkmenusectionbox.c
index e2b340b..9905fa7 100644
--- a/gtk/gtkmenusectionbox.c
+++ b/gtk/gtkmenusectionbox.c
@@ -296,7 +296,6 @@ gtk_menu_section_box_insert_func (GtkMenuTrackerItem *item,
       if (box->iconic)
         {
           g_object_bind_property (item, "verb-icon", widget, "icon", G_BINDING_SYNC_CREATE);
-          g_object_bind_property (item, "label", widget, "tooltip-text", G_BINDING_SYNC_CREATE);
           g_object_set (widget, "iconic", TRUE, "centered", TRUE, NULL);
         }
       else