9p: remove experimental tag from tested configurations

The 9p client is currently undergoing regular regresssion and
stress testing as a by-product of the virtfs work.  I think its
finally time to take off the experimental tags from the well-tested
code paths.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/fs/9p/Kconfig b/fs/9p/Kconfig
index 814ac4e..0a93dc1cb 100644
--- a/fs/9p/Kconfig
+++ b/fs/9p/Kconfig
@@ -1,6 +1,6 @@
 config 9P_FS
-	tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
-	depends on INET && NET_9P && EXPERIMENTAL
+	tristate "Plan 9 Resource Sharing Support (9P2000)"
+	depends on INET && NET_9P
 	help
 	  If you say Y here, you will get experimental support for
 	  Plan 9 resource sharing via the 9P2000 protocol.
@@ -10,7 +10,6 @@
 	  If unsure, say N.
 
 if 9P_FS
-
 config 9P_FSCACHE
 	bool "Enable 9P client caching support (EXPERIMENTAL)"
 	depends on EXPERIMENTAL