`/etc/coda/build_config/BUILD.mlh` is removed, here are their content for [devnet](https://github.com/MinaProtocol/mina/blob/ecbf1132c1c05dddc4629dd1ecf0a31c1af6682c/src/config/devnet.mlh) and [mainnet](https://github.com/MinaProtocol/mina/blob/ecbf1132c1c05dddc4629dd1ecf0a31c1af6682c/src/config/mainnet.mlh) separately.
