[gtk+] widgetnode: Remove unused define

[Timm Bäder <baedert src gnome org>]

commit dc8904d9c756b2a90d358f0546223d0e1d1644cf
Author: Timm Bäder <mail baedert org>
Date:   Tue Feb 28 14:22:39 2017 +0100

    widgetnode: Remove unused define

 gtk/gtkcsswidgetnode.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtkcsswidgetnode.c b/gtk/gtkcsswidgetnode.c
index b443b5e..e501160 100644
--- a/gtk/gtkcsswidgetnode.c
+++ b/gtk/gtkcsswidgetnode.c
@@ -26,10 +26,6 @@
 #include "gtkstylecontextprivate.h"
 #include "gtkwidgetprivate.h"
 
-/* When these change we do a full restyling. Otherwise we try to figure out
- * if we need to change things. */
-#define GTK_CSS_RADICAL_CHANGE (GTK_CSS_CHANGE_ID | GTK_CSS_CHANGE_NAME | GTK_CSS_CHANGE_CLASS | 
GTK_CSS_CHANGE_SOURCE | GTK_CSS_CHANGE_PARENT_STYLE)
-
 G_DEFINE_TYPE (GtkCssWidgetNode, gtk_css_widget_node, GTK_TYPE_CSS_NODE)
 
 static void