message: task to remove opt dbname
diff: @@ -24,6 +24,9 @@ namespace iroha {
  * @param default_dbname The default name of database to use when one is
  * not provided in pg_opt.
  * @param log Logger for internal messages.
  + *
  + * TODO 2019.06.07 mboldyrev IR-556 make dbname required & remove the
  + * default.
  */
  PostgresOptions(const std::string &pg_opt,
  std::string default_dbname,
  