message: Make step01 of upgrade use remote chainspec.
  Setting up a network should always pull compatible chainspec from
  remote, but not the one from current source code.
diff: @@ -71,8 +71,7 @@ function _step_01()
  source "$NCTL/sh/assets/setup_from_stage.sh" \
  stage="$STAGE_ID" \
  - accounts_path="$NCTL/sh/scenarios/accounts_toml/upgrade_scenario_3.accounts.toml" \
  - chainspec_path="$NCTL/sh/scenarios/chainspecs/upgrade_scenario_3.chainspec.toml.in"
  + accounts_path="$NCTL/sh/scenarios/accounts_toml/upgrade_scenario_3.accounts.toml"
  source "$NCTL/sh/node/start.sh" node=all
  }
  