[gtk+] Drop a reference to regions

[Matthias Clasen <matthiasc src gnome org>]

commit ac95bac5b817f8167dd568247b478534b960ec9e
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jan 18 14:31:37 2016 -0500

    Drop a reference to regions
    
    Regions don't work anymore, so don't recommend them in the docs.

 gtk/gtkwidget.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index e2fabdc..75935bc 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -9782,9 +9782,8 @@ _gtk_widget_get_modifier_properties (GtkWidget *widget)
  * This API is mostly meant as a quick way for applications to
  * change a widget appearance. If you are developing a widgets
  * library and intend this change to be themeable, it is better
- * done by setting meaningful CSS classes and regions in your
- * widget/container implementation through gtk_style_context_add_class()
- * and gtk_style_context_add_region().
+ * done by setting meaningful CSS classes in your
+ * widget/container implementation through gtk_style_context_add_class().
  *
  * This way, your widget library can install a #GtkCssProvider
  * with the %GTK_STYLE_PROVIDER_PRIORITY_FALLBACK priority in order