[docker] rm unnecessary chain id env var in mint docker-run
[docker] rm unnecessary chain id env var in mint docker-run

Closes: #5098
Approved by: sherry-x

aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,libra/libra,libra/libra,aptos-labs/aptos-core