[glade] Drop unused definition

[Juan Pablo Ugarte <jpu src gnome org>]

commit 49c570076f736c1dab17a82ad3241921549a84bf
Author: Osamu Aoki <osamu debian org>
Date:   Wed Jul 28 15:02:27 2021 +0900

    Drop unused definition
    
    Signed-off-by: Osamu Aoki <osamu debian org>

 plugins/gtk+/glade-gtk-container.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/plugins/gtk+/glade-gtk-container.c b/plugins/gtk+/glade-gtk-container.c
index 18a22826..cd4be61d 100644
--- a/plugins/gtk+/glade-gtk-container.c
+++ b/plugins/gtk+/glade-gtk-container.c
@@ -51,7 +51,6 @@ glade_gtk_container_add_verify (GladeWidgetAdaptor *adaptor,
                                 gboolean            user_feedback)
 {
   GladeWidget *gwidget = glade_widget_get_from_gobject (container);
-  GtkWidget *bin_child;
 
   if (GTK_IS_WINDOW (child))
     {