This reverts commit bda51b6abc0b8d686c859f3d2a0fda9bc50fdaed.

Remove unused config for final-migration-rehearsal network

op-chain-ops: better comments

fault-detector: add readme for custom op-chains (+ bugfix)

Remove network config code, and deploy config files which
were used for the goerli migration rehearsal and are no longer need.

The corresponding deploy artifacts were deleted in a previous PR.

This reverts commit 6b9901b9.

It breaks tests

Add comments to ensure that a known bug is commented.
See https://github.com/ethereum-optimism/optimism/pull/5682
for a longer description.

Adds a minimal check to make sure this bug is never encountered
in practice.

feat(ctp): add changeset for new faucet contract

op-program: Remove println

fault-detector: contract address override for custom op-chains