[gtk+] Remove references to deprecated functions

[Matthias Clasen <matthiasc src gnome org>]

commit 4942b6f5e4feaef97bae1e591d74f426a386ae06
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Aug 6 19:44:17 2012 -0400

    Remove references to deprecated functions
    
    This inconsistency of the docs was pointed out by
    Pierre-Yves Luyten in bug 680949.

 gtk/gtkcolorbutton.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index c9056b5..921d9ec 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -241,8 +241,7 @@ gtk_color_button_class_init (GtkColorButtonClass *klass)
    * @widget: the object which received the signal.
    *
    * The ::color-set signal is emitted when the user selects a color.
-   * When handling this signal, use gtk_color_button_get_color() and
-   * gtk_color_button_get_alpha() (or gtk_color_button_get_rgba()) to
+   * When handling this signal, use gtk_color_button_get_rgba() to
    * find out which color was just selected.
    *
    * Note that this signal is only emitted when the <emphasis>user</emphasis>