Fix NFS unit names
NFS unit names were renamed.
Compatibility was maintained with older unit names
through symlinks. When these symlinks are removed
only new unit names work, so changing to using non-
symlink unit names is required.
Fixes: https://pagure.io/freeipa/issue/7783
Signed-off-by: François Cami <fcami@redhat.com>
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>