chore(circle): remove greenkeeper lockfile updates
chore(circle): remove greenkeeper lockfile updates

greenkeeper will now automatically update lockfiles for non-private repo

ciscospark/react-ciscospark,ciscospark/react-ciscospark,adamweeks/react-ciscospark-1,adamweeks/react-ciscospark-1,adamweeks/react-ciscospark-1,ciscospark/react-ciscospark