docs(eslint-plugin): [lines-around-comment option] cleaned up docs

[JoshuaKGoldberg]

PR Checklist

• Addresses an existing open issue: fixes Docs: Incomplete options listing in lines-around-comment.md #6673
• That issue was marked as accepting prs
• Steps in Contributing were taken

Overview

Cleans up the docs and removes some unnecessary old lines.

[typescript-eslint]

Thanks for the PR, @JoshuaKGoldberg!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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• Node 18 - nx test ast-spec
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• nx run-many --target=build --parallel --exclude website
• Node 14 - nx test type-utils --coverage=false
• Node 14 - nx test eslint-plugin-tslint --coverage=false
• Node 14 - nx test eslint-plugin-internal --coverage=false
• Node 14 - nx test ast-spec --coverage=false

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