message: Simplify block-interval-seconds command line processing.
diff: @@ -122,10 +122,9 @@ void chain_plugin::set_program_options(options_description& cli, options_descrip
  void chain_plugin::plugin_initialize(const variables_map& options) {
  ilog("initializing chain plugin");
  - my->block_interval_seconds = config::default_block_interval_seconds;
  - if(options.count("block-interval-seconds")) {
  + // option block-interval-seconds default set to config::default_block_interval_seconds
  my->block_interval_seconds = options.at("block-interval-seconds").as<uint32_t>();
  - }
  +
  if(options.count("genesis-json")) {
  my->genesis_file = options.at("genesis-json").as<bfs::path>();
  }
  