core, eth, internal, cmd: rework EVM constructor #30745
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rjl493456442
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This pull request refactors the EVM constructor by removing the TxContext parameter.
The EVM object is frequently overused. Ideally, only a single EVM instance should be created and reused throughout the entire state transition of a block, with the transaction context switched as needed by calling evm.SetTxContext.
Unfortunately, in some parts of the code, the EVM object is repeatedly created, resulting in unnecessary complexity. This pull request is the first step towards gradually improving and simplifying this setup.