[gtk+] widget: Remove unused visibility-notify-event

[Timm Bäder <baedert src gnome org>]

commit a7efe10ef82dcdbd431f554f7ab50150b93554fb
Author: Timm Bäder <mail baedert org>
Date:   Tue Nov 1 20:29:00 2016 +0100

    widget: Remove unused visibility-notify-event

 gtk/gtkwidget.h |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkwidget.h b/gtk/gtkwidget.h
index ba52529..e3adad3 100644
--- a/gtk/gtkwidget.h
+++ b/gtk/gtkwidget.h
@@ -310,7 +310,6 @@ struct _GtkWidget
  * @style_updated: Signal emitted when the GtkStyleContext of a widget
  *   is changed.
  * @touch_event:
- * @get_preferred_height_and_baseline_for_width:
  * @adjust_baseline_request:
  * @adjust_baseline_allocation:
  * @queue_draw_region: Invalidates the area of widget defined by
@@ -427,8 +426,6 @@ struct _GtkWidgetClass
                                         GdkEventProximity   *event);
   gboolean (* proximity_out_event)     (GtkWidget           *widget,
                                         GdkEventProximity   *event);
-  gboolean (* visibility_notify_event) (GtkWidget           *widget,
-                                        GdkEventVisibility  *event);
   gboolean (* window_state_event)      (GtkWidget           *widget,
                                         GdkEventWindowState *event);
   gboolean (* grab_broken_event)        (GtkWidget           *widget,