Add the `check-useless-excludes` hook to the pre-commit configuration

[mcdonnnj]

🗣 Description

This pull request adds the check-useless-excludes hook from the pre-commit meta source. It also removes an exclude definition that does not apply to any files in the repository as a result.

💭 Motivation and context

This will help keep our pre-commit configuration accurate.

🧪 Testing

Automated tests pass.

✅ Pre-approval checklist

• [x] This PR has an informative and human-readable title.
• [x] Changes are limited to a single goal - eschew scope creep!
• [x] All relevant type-of-change labels have been added.
• [x] I have read the CONTRIBUTING document.
• [x] These code changes follow cisagov code standards.
• [x] All new and existing tests pass.