[gtk] docs: Remove mention of queue_draw_area()

[Benjamin Otte <otte src gnome org>]

commit bb5871fd81dc8e4eb024af5ef9d967ca5c50a4cb
Author: Benjamin Otte <otte benjamin googlemail com>
Date:   Tue Jun 4 14:59:32 2019 +0000

    docs: Remove mention of queue_draw_area()
    
    and queue_draw_region(). They're gone since 73650c6da2b6171d10633038f74088980e8a7fc7.

 gtk/gtkdrawingarea.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/gtk/gtkdrawingarea.c b/gtk/gtkdrawingarea.c
index 9afd4e3cc8..372a7e413a 100644
--- a/gtk/gtkdrawingarea.c
+++ b/gtk/gtkdrawingarea.c
@@ -116,8 +116,7 @@ static GParamSpec *props[LAST_PROP] = { NULL, };
  * The draw function is normally called when a drawing area first comes
  * onscreen, or when it’s covered by another window and then uncovered.
  * You can also force a redraw by adding to the “damage region” of the
- * drawing area’s window using gtk_widget_queue_draw_region(),
- * gtk_widget_queue_draw_area() or gtk_widget_queue_draw().
+ * drawing area’s window using gtk_widget_queue_draw().
  * This will cause the drawing area to call the draw function again.
  *
  * The available routines for drawing are documented on the