[empathy] Drop Haze's facebook implementation

[Guillaume Desmottes <gdesmott src gnome org>]

commit 90480686db5a6f52b29abc6b9294428a347511da
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Thu Feb 11 10:57:16 2010 +0000

    Drop Haze's facebook implementation
    
    Everyone should use Gabble now.

 libempathy-gtk/empathy-protocol-chooser.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/libempathy-gtk/empathy-protocol-chooser.c b/libempathy-gtk/empathy-protocol-chooser.c
index 0bbcd51..c2a159c 100644
--- a/libempathy-gtk/empathy-protocol-chooser.c
+++ b/libempathy-gtk/empathy-protocol-chooser.c
@@ -167,6 +167,12 @@ protocol_choosers_add_cm (EmpathyProtocolChooser *chooser,
          */
         continue;
 
+      if (!tp_strdiff (cm->name, "haze") &&
+          !tp_strdiff (proto->name, "facebook"))
+        /* Facebook now supports XMPP so drop the purple facebook plugin; user
+         * should use Gabble */
+        continue;
+
       if (tp_strdiff (cm->name, "haze") && !tp_strdiff (saved_cm_name, "haze"))
         {
           GtkTreeIter titer;