gfs2: Enable building with user namespaces enabled

Now that all of the necessary work has been done to push kuids and
kgids throughout gfs2 and to convert between kuids and kgids when
reading and writing the on disk structures it is safe to enable gfs2
when multiple user namespaces are enabled.

Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: N"Eric W. Biederman" <ebiederm@xmission.com>

init/Kconfig

@@ -1072,7 +1072,6 @@ config UIDGID_CONVERTED
 
 	# Filesystems
 	depends on CIFS = n
-	depends on GFS2_FS = n
 	depends on NCP_FS = n
 	depends on NFSD = n
 	depends on NFS_FS = n