8e5d83b6c1
mkswap hasn't had v0 support since commit d893b120bae5a9bdef4cfda2df5e62867d6b1cd0; it doesn't seem to make sense to offer it for configuration. Signed-off-by: Colin Watson <cjwatson@ubuntu.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>