[gtk+] Remove gtk_container_get_focus_child

[Timm Bäder <baedert src gnome org>]

commit 0d480a3eb03d0c98e9e80a8eb5b6f11dba04c2c6
Author: Timm Bäder <mail baedert org>
Date:   Wed Feb 8 09:07:18 2017 +0100

    Remove gtk_container_get_focus_child

 docs/reference/gtk/gtk4-sections.txt |    1 -
 gtk/gtkcontainer.c                   |   22 ----------------------
 gtk/gtkcontainer.h                   |    3 ---
 3 files changed, 0 insertions(+), 26 deletions(-)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 514472b..9366f16 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -720,7 +720,6 @@ gtk_container_check_resize
 gtk_container_foreach
 gtk_container_get_children
 gtk_container_get_path_for_child
-gtk_container_get_focus_child
 gtk_container_set_focus_child
 gtk_container_get_focus_vadjustment
 gtk_container_set_focus_vadjustment
diff --git a/gtk/gtkcontainer.c b/gtk/gtkcontainer.c
index 2065892..a5d40d5 100644
--- a/gtk/gtkcontainer.c
+++ b/gtk/gtkcontainer.c
@@ -1988,28 +1988,6 @@ gtk_container_set_focus_child (GtkContainer *container,
 }
 
 /**
- * gtk_container_get_focus_child:
- * @container: a #GtkContainer
- *
- * Returns the current focus child widget inside @container. This is not the
- * currently focused widget. That can be obtained by calling
- * gtk_window_get_focus().
- *
- * Returns: (nullable) (transfer none): The child widget which will receive the
- *          focus inside @container when the @container is focused,
- *          or %NULL if none is set.
- *
- * Since: 2.14
- **/
-GtkWidget *
-gtk_container_get_focus_child (GtkContainer *container)
-{
-  g_return_val_if_fail (GTK_IS_CONTAINER (container), NULL);
-
-  return container->priv->focus_child;
-}
-
-/**
  * gtk_container_get_children:
  * @container: a #GtkContainer
  *
diff --git a/gtk/gtkcontainer.h b/gtk/gtkcontainer.h
index 6725a80..f559503 100644
--- a/gtk/gtkcontainer.h
+++ b/gtk/gtkcontainer.h
@@ -158,9 +158,6 @@ GDK_AVAILABLE_IN_ALL
 void   gtk_container_set_focus_child      (GtkContainer     *container,
                                            GtkWidget        *child);
 GDK_AVAILABLE_IN_ALL
-GtkWidget *
-       gtk_container_get_focus_child      (GtkContainer     *container);
-GDK_AVAILABLE_IN_ALL
 void   gtk_container_set_focus_vadjustment (GtkContainer     *container,
                                            GtkAdjustment    *adjustment);
 GDK_AVAILABLE_IN_ALL