* feat: Add a test to simplify deploy script testing

* fix: lint

* feat: Add clarifying comments to DeployVariations_Test

* feat: Extract deployment of pre-v1.6.0 code

* feat: combine setupOPChain and DeployOpChain

This will help to clarify where the DeployOpcChain script can be used.

* fix: op-e2e issues with unfound contracts

* fix: Undo conditional init of L2OutputOracle

It needs to be in the state no matter what for op-e2e

* fix: correct deploy ordering of legacy contracts

* ugly but working

* clean up legacy deployments

* enable FP on system config custom gas token tests

* op-e2e: allow no OptimismPortal impl if useFaultProofs

* fix: lint