message: delete unused flags
diff: @@ -22,12 +22,6 @@ var (
  Required: true,
  EnvVar: prefixEnvVar("BUILD_ENV"),
  }
  - EthNetworkNameFlag = cli.StringFlag{
  - Name: "eth-network-name",
  - Usage: "Ethereum network name",
  - Required: true,
  - EnvVar: prefixEnvVar("ETH_NETWORK_NAME"),
  - }
  ChainIDFlag = cli.StringFlag{
  Name: "chain-id",
  Usage: "Ethereum chain ID",
  @@ -188,7 +182,6 @@ var (
  var requiredFlags = []cli.Flag{
  BuildEnvFlag,
  - EthNetworkNameFlag,
  ChainIDFlag,
  L1EthRPCFlag,
  L2EthRPCFlag,
  