[zero zkEVM] - Remove post-state execution bits

[Nashtare]

This piece of execution below is not needed for zero zkEVM in the way it handles block hashes consistency, and would need to be removed to match the expected prover state:

cdk-erigon/core/blockchain_zkevm.go

Lines 158 to 176 in 55ed010

	var l2InfoRoot *libcommon.Hash
	if chainConfig.IsForkID7Etrog(blockNum) {
	l2InfoRoot, err = blockinfo.BuildBlockInfoTree(
	&header.Coinbase,
	header.Number.Uint64(),
	header.Time,
	blockGasLimit,
	*usedGas,
	*ger,
	*l1Blockhash,
	*prevBlockRoot,
	&txInfos,
	)
	if err != nil {
	return nil, err
	}
	}
	ibs.PostExecuteStateSet(chainConfig, block.NumberU64(), l2InfoRoot)

[rachit77]

This PR which is already merged fixes this issue.