remove lock that isn't necessary anymore
remove lock that isn't necessary anymore

replay/metrictank,raintank/metrictank,raintank/raintank-metric,replay/metrictank,replay/metrictank,raintank/metrictank,raintank/raintank-metric,raintank/raintank-metric,raintank/metrictank,raintank/metrictank,replay/metrictank