[gtk+] container: Remove leftover prototype

[Timm Bäder <baedert src gnome org>]

commit e26b60d48cc29a319b3ccc6c92157d9da1f9ceba
Author: Timm Bäder <mail baedert org>
Date:   Fri Aug 25 14:52:14 2017 +0200

    container: Remove leftover prototype
    
    Thanks to Murray Cumming.

 gtk/gtkcontainer.h |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkcontainer.h b/gtk/gtkcontainer.h
index e56736f..eb19f90 100644
--- a/gtk/gtkcontainer.h
+++ b/gtk/gtkcontainer.h
@@ -138,11 +138,6 @@ GDK_AVAILABLE_IN_ALL
 GList*   gtk_container_get_children     (GtkContainer       *container);
 
 GDK_AVAILABLE_IN_ALL
-void     gtk_container_propagate_draw   (GtkContainer   *container,
-                                        GtkWidget      *child,
-                                        cairo_t        *cr);
-
-GDK_AVAILABLE_IN_ALL
 void     gtk_container_set_focus_chain  (GtkContainer   *container,
                                          GList          *focusable_widgets);
 GDK_AVAILABLE_IN_ALL