refactor(spec-specs): Refactor specs to be more coherent wrt gas acco…#1897

fselmo merged 2 commits intoethereum:eips/amsterdam/eip-7928ethereum/execution-specs:eips/amsterdam/eip-7928from

fselmo:refactor/gas-accountingfselmo/execution-specs:refactor/gas-accountingCopy head branch name to clipboard