[gtk+] docs: Drop deprecated symbolic icon names

[Emmanuele Bassi <ebassi src gnome org>]

commit d2569a3860613172007630ad863162d39fbb7cdc
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sat Jul 4 19:33:23 2015 +0100

    docs: Drop deprecated symbolic icon names
    
    Do not suggest using icons that do not exist.

 gtk/deprecated/gtkarrow.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gtk/deprecated/gtkarrow.c b/gtk/deprecated/gtkarrow.c
index dd76f1e..3312ffc 100644
--- a/gtk/deprecated/gtkarrow.c
+++ b/gtk/deprecated/gtkarrow.c
@@ -47,8 +47,7 @@
  * doing automatic flipping between #GTK_ARROW_LEFT and #GTK_ARROW_RIGHT,
  * depending on the text direction. To get the same effect with an image,
  * use the icon names “pan-start-symbolic“ and “pan-end-symbolic“, which
- * react to the text direction instead of “pan-left-symbolic“ and
- * “pan-right-symbolic“ which don't.
+ * react to the text direction.
  */
 
 #include "config.h"