widget: Remove an unused signal

HIERARCHY_CHANGED is no longer used.

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 3d40eee3d1e34b72af9772aaa9c243baeb798f21..8119b06fd4c05d87c4a0d8fb65b350a73de299e0 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -511,7 +511,6 @@ enum {
   UNREALIZE,
   SIZE_ALLOCATE,
   STATE_FLAGS_CHANGED,
-  HIERARCHY_CHANGED,
   DIRECTION_CHANGED,
   GRAB_NOTIFY,
   CHILD_NOTIFY,