Block: treeshaking tasks

[ScottyPoi]

Block Treeshaking task cleanup from #3560

• Kill off from-rpc.ts, header-from-rpc.ts files, move code within function blocks of constructors.ts
• Create block and header directories, move block.ts and header.ts over, create index.ts file, split constructors.ts into the block and header methods and move over respectively (if this full TODO item is controversial we can also give a quick discussion, I would find it a useful better organizing structure)
• Rename createBlockFromValuesArray -> createBlockFromBytesArray
• Rename createBlockHeaderFromValuesArray -> createBlockHeaderFromBytesArray

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.89%. Comparing base (4470cc3) to head (af630f1).
Report is 4 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
block	?
client	?
tx	?
util	69.89% <ø> (?)
wallet	?

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[acolytec3]

I generally really like this approach. One nit about normalizeTxParams that we should address (though can be in a different PR if you want).

[acolytec3]

Two things on this function:

1. It isn't a constructor so ideally we put it in a helpers/utils file.
2. We have essentially the same function here. Can we harmonize these two and consolidate in one location (maybe in @ethereumjs/util/helpers.ts or internal.ts) The only real difference I see is converting 0x0 to 0x in the transaction signatuere values.

[holgerd77]

Have put in a dedicated small issue #3587 so we can address in a separate PR

Change-request in separate PR

[holgerd77]

LGTM