nfsd4: remove labeled NFS warning from config help
nfsd4: remove labeled NFS warning from config help

The working group appears committed to keeping the protocol stable, the
code has gotten some use and seems to work OK.

Signed-off-by: J. Bruce Fields <51738506c1b2ccb0761f23bdc612c93babf738ea@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs