message: [functional tests] remove println!
  This `println!` was checked in by mistake. This gets it deleted.
diff: @@ -110,7 +110,6 @@ impl Config {
  if let btree_map::Entry::Vacant(entry) = accounts.entry("default".to_string()) {
  entry.insert(AccountData::new(DEFAULT_BALANCE, 0));
  }
  - println!("{:?}", accounts);
  Ok(Config { accounts })
  }
  }
  