message: Refactor format
  refactored  to more readable.
diff: @@ -496,7 +496,6 @@ signed_block chain_controller::_generate_block( block_timestamp_type when,
  auto latest_producer_schedule = _calculate_producer_schedule();
  if( latest_producer_schedule != _head_producer_schedule() )
  _pending_block->new_producers = latest_producer_schedule;
  -
  }
  _pending_block->schedule_version = get_global_properties().active_producers.version;
  