refactor(traverse): remove unnecessary #[allow]

[overlookmotel]

Pure refactor. Remove unnecessary #[allow] attrs. Replace remaining ones with #[expect].

[overlookmotel]

• refactor(traverse): remove unnecessary #[allow] #8518 👈 (View in Graphite)
• main

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[codspeed-hq]

CodSpeed Performance Report

Merging #8518 will not alter performance

_{Comparing 01-15-refactor_traverse_remove_unnecessary_allow_ (04bc259) with main (209e313)}

Summary

✅ 32 untouched benchmarks

[overlookmotel]

No substantive changes, just tidy-up, so merging without review.

[overlookmotel]

Merge activity

• Jan 15, 12:37 PM EST: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Jan 15, 12:37 PM EST: A user added this pull request to the Graphite merge queue.
• Jan 15, 12:42 PM EST: A user merged this pull request with the Graphite merge queue.