NFSv4.1: Remove the dependency on CONFIG_EXPERIMENTAL

CONFIG_EXPERIMENTAL is deprecated and, regardless of that, this code
is being enabled in most newer distributions.
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/Kconfig

@@ -95,8 +95,8 @@ config NFS_SWAP
 	  This option enables swapon to work on files located on NFS mounts.
 
 config NFS_V4_1
-	bool "NFS client support for NFSv4.1 (EXPERIMENTAL)"
-	depends on NFS_V4 && EXPERIMENTAL
+	bool "NFS client support for NFSv4.1"
+	depends on NFS_V4
 	select SUNRPC_BACKCHANNEL
 	help
 	  This option enables support for minor version 1 of the NFSv4 protocol