Remove lk4d4 as maintainer
Remove lk4d4 as maintainer

Closes #715

Signed-off-by: Michael Crosby <951f4c7b5d47e32d0112c78d14a98eaa23e6b5ef@gmail.com>

wking/opencontainer-specs,hqhq/specs,laijs/specs,hqhq/runtime-spec,opencontainers/runtime-spec,opencontainers/specs,wking/opencontainer-runtime-spec