[gnome-system-monitor] Remove "dialog_cancel_clicked" function that is unused now

[Andre Klapper <aklapper src gnome org>]

commit 9541e02bae9f0d320af2b6894efe22bd52103034
Author: Andre Klapper <a9016009 gmx de>
Date:   Sun Jun 20 11:53:34 2010 +0200

    Remove "dialog_cancel_clicked" function that is unused now

 src/gsm_color_button.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/src/gsm_color_button.c b/src/gsm_color_button.c
index 1116dc3..01f162e 100644
--- a/src/gsm_color_button.c
+++ b/src/gsm_color_button.c
@@ -693,14 +693,6 @@ dialog_destroy (GtkWidget * widget, gpointer data)
   return FALSE;
 }
 
-static void
-dialog_cancel_clicked (GtkWidget * widget, gpointer data)
-{
-  GSMColorButton *color_button = GSM_COLOR_BUTTON (data);
-
-  gtk_widget_hide (color_button->priv->cs_dialog);
-}
-
 static gint
 gsm_color_button_clicked (GtkWidget * widget, GdkEventButton * event)
 {