feat(tests): remove the static performance test calling SHA256 5000x

[chfast]

🗒️ Description

This test provide no additional coverage for the SHA256 precompile and executes very slowly.

🔗 Related Issues or PRs

• chore(tests): Port all stTimeConsuming to benchmark tests folder execution-specs#1572
• feat(tests): remove Blake2b max rounds static test #1941

✅ Checklist

• All: Ran fast tox checks to avoid unnecessary CI fails, see also Code Standards and Enabling Pre-commit Checks:

  uvx --with=tox-uv tox -e lint,typecheck,spellcheck,markdownlint

• All: PR title adheres to the repo standard - it will be used as the squash commit message and should start type(scope):.
• All: Considered adding an entry to CHANGELOG.md.
• All: Considered updating the online docs in the ./docs/ directory.
• All: Set appropriate labels for the changes (only maintainers can apply labels).
• Tests: Ran mkdocs serve locally and verified the auto-generated docs for new tests in the Test Case Reference are correctly formatted.
• Tests: For PRs implementing a missed test case, update the post-mortem document to add an entry the list.
• Ported Tests: All converted JSON/YML tests from ethereum/tests or tests/static have been assigned @ported_from marker.

[marioevz]

LGTM, thanks!

Edit: For any external observers: we are tracking converting these into a new renewed benchmark format in this issue: https://github.com/ethereum/execution-spec-tests/issues/1947