exclude dev deps from shrinkwrap
exclude dev deps from shrinkwrap

since this package is depended on by fxa-auth-server
having dev deps in the shrinkwrap causes the shrinkwrap there
to fail with extraneous deps. shrinkwrap MaDnESsS!1!!

mozilla/fxa-auth-db-mysql,mozilla/fxa-auth-db-mysql,eoger/fxa-auth-db-mysql,eoger/fxa-auth-db-mysql