Remove storage from InterpreterStep

[acolytec3]

This removes the storage key from the step trace as Danno confirmed that this field is not used and will be removed from EIP-7756.

It also adds back an optimization in regarding codeSizes that was accidentally removed in #3953

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.55%. Comparing base (3d520fa) to head (02a5975).
Report is 1 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
block	84.33% <ø> (ø)
blockchain	89.32% <ø> (ø)
client	67.99% <ø> (ø)
common	97.51% <ø> (ø)
devp2p	86.78% <ø> (ø)
evm	73.13% <100.00%> (+0.01%)	⬆️
mpt	89.69% <ø> (-0.42%)	⬇️
statemanager	69.06% <ø> (ø)
static	99.11% <ø> (ø)
tx	90.59% <ø> (ø)
util	89.36% <ø> (ø)
vm	55.50% <ø> (ø)

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[jochem-brouwer]

LGTM, thanks! Please merge once CI passes (assuming it does)

[jochem-brouwer]

LGTM!