[gtk+] notebook: Remove unnessecary gtk_widget_set_mapped()

[Benjamin Otte <otte src gnome org>]

commit 33b6e30f68fd9a50cec90f0eabe9a84d1c83f9e9
Author: Benjamin Otte <otte redhat com>
Date:   Sat Dec 19 08:04:41 2015 +0100

    notebook: Remove unnessecary gtk_widget_set_mapped()
    
    We chain up, and the chainedup function calls this for us.

 gtk/gtknotebook.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index c71b43b..f2ed58e 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -1987,8 +1987,6 @@ gtk_notebook_unmap (GtkWidget *widget)
 
   stop_scrolling (notebook);
 
-  gtk_widget_set_mapped (widget, FALSE);
-
   gdk_window_hide (priv->event_window);
 
   GTK_WIDGET_CLASS (gtk_notebook_parent_class)->unmap (widget);