[gtk+] Drop gtk_drag_set_icon_pixbuf from the docs too

[Matthias Clasen <matthiasc src gnome org>]

commit e584a708206fd803b227586c2e2d5261eb3eecbf
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 23 06:21:34 2017 +0200

    Drop gtk_drag_set_icon_pixbuf from the docs too
    
    It no longer exists.

 docs/reference/gtk/gtk4-sections.txt |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index d524bdd..57cb5e9 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -5358,7 +5358,6 @@ gtk_drag_unhighlight
 gtk_drag_begin_with_coordinates
 gtk_drag_cancel
 gtk_drag_set_icon_widget
-gtk_drag_set_icon_pixbuf
 gtk_drag_set_icon_surface
 gtk_drag_set_icon_name
 gtk_drag_set_icon_gicon