[gtk+] winodw: Remove _gtk_window_reposition prototype

[Timm Bäder <baedert src gnome org>]

commit c309def4f0be9b60410855fe9a377cc32ff11574
Author: Timm Bäder <mail baedert org>
Date:   Mon Aug 14 14:24:10 2017 +0200

    winodw: Remove _gtk_window_reposition prototype
    
    It's never implemented.

 gtk/gtkwindowprivate.h |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkwindowprivate.h b/gtk/gtkwindowprivate.h
index 94b5aee..4291004 100644
--- a/gtk/gtkwindowprivate.h
+++ b/gtk/gtkwindowprivate.h
@@ -28,9 +28,6 @@ G_BEGIN_DECLS
 
 void            _gtk_window_internal_set_focus (GtkWindow *window,
                                                 GtkWidget *focus);
-void            _gtk_window_reposition         (GtkWindow *window,
-                                                gint       x,
-                                                gint       y);
 void            _gtk_window_group_add_grab    (GtkWindowGroup *window_group,
                                                GtkWidget      *widget);
 void            _gtk_window_group_remove_grab (GtkWindowGroup *window_group,