[gtk+] Small cleanup for the previous commit

[Matthias Clasen <matthiasc src gnome org>]

commit f0aba21fd29282a6b39caa3c8767a5943fbbde3d
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Sep 21 20:56:46 2013 -0400

    Small cleanup for the previous commit
    
    When setting an accessible type, we don't need to
    set an accessible row anymore.

 gtk/gtklistbox.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index 2700dbd..c4b8d04 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -2840,6 +2840,4 @@ gtk_list_box_row_class_init (GtkListBoxRowClass *klass)
                   _gtk_marshal_VOID__VOID,
                   G_TYPE_NONE, 0);
   widget_class->activate_signal = row_signals[ROW__ACTIVATE];
-
-  gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_LIST_ITEM);
 }