[CLEANUP] remove unused include/types/client.h

This file is not used anymore.
diff --git a/include/proto/client.h b/include/proto/client.h
index 6540d09..1d368a4 100644
--- a/include/proto/client.h
+++ b/include/proto/client.h
@@ -2,7 +2,7 @@
   include/proto/client.h
   This file contains client-side definitions.
 
-  Copyright (C) 2000-2007 Willy Tarreau - w@1wt.eu
+  Copyright (C) 2000-2008 Willy Tarreau - w@1wt.eu
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
@@ -23,7 +23,6 @@
 #define _PROTO_CLIENT_H
 
 #include <common/config.h>
-#include <types/client.h>
 #include <types/session.h>
 
 void get_frt_addr(struct session *s);