[gtk+] widget: Remove outdated comment

[Timm Bäder <baedert src gnome org>]

commit 633a93f418ce029bc3cb6665a648235183cec731
Author: Timm Bäder <mail baedert org>
Date:   Tue Nov 1 20:51:03 2016 +0100

    widget: Remove outdated comment
    
    gtk_widget_override_color is no more.

 gtk/gtkwidget.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 59ed2c1..2335936 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -1714,9 +1714,6 @@ gtk_widget_class_init (GtkWidgetClass *klass)
    * #GtkStyleContext::changed signal is emitted on the @widget's associated
    * #GtkStyleContext as returned by gtk_widget_get_style_context().
    *
-   * Note that style-modifying functions like gtk_widget_override_color() also
-   * cause this signal to be emitted.
-   *
    * Since: 3.0
    */
   widget_signals[STYLE_UPDATED] =