[gtk+] Revert "GtkNotebook: fix crash when DnD tabs between windows"

[Matthias Clasen <matthiasc src gnome org>]

commit cf172a5873ce89a115f39dd9cbb5c49e2545b3db
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jan 15 18:54:05 2012 -0500

    Revert "GtkNotebook: fix crash when DnD tabs between windows"
    
    This reverts commit eeb9de80e17d1915d877c98eabd9a9a1f4423e9c.

 gtk/gtknotebook.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index 231893f..32cdee7 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -4958,10 +4958,7 @@ gtk_notebook_real_remove (GtkNotebook *notebook,
   gtk_widget_unparent (page->child);
 
   tab_label = page->tab_label;
-  /* Do not unparent the tab label if it's already in another
-     hierarchy. It means we are in the middle of a DnD and it's
-     already taken care of. */
-  if (tab_label && NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page))
+  if (tab_label)
     {
       g_object_ref (tab_label);
       gtk_notebook_remove_tab_label (notebook, page);