net/wanrouter: Deprecate and schedule for removal

No one uses this on current kernels anymore.

Let it be known it's going to be removed eventually.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/feature-removal-schedule.txt

@@ -588,3 +588,9 @@ Why:	Remount currently allows changing bound subsystems and
 	replaced with conventional fsnotify.
 
 ----------------------------
+
+What:	net/wanrouter/
+When:	June 2013
+Why:	Unsupported/unmaintained/unused since 2.6
+
+----------------------------

net/wanrouter/Kconfig

@@ -3,7 +3,7 @@
 #
 
 config WAN_ROUTER
-	tristate "WAN router"
+	tristate "WAN router (DEPRECATED)"
 	depends on EXPERIMENTAL
 	---help---
 	  Wide Area Networks (WANs), such as X.25, frame relay and leased