refactor: remove chroot/jail logic

What does this MR do?

I know this is planned for 14.3 but I'm running out of issues to contribute 😅

Closes #561 (closed)
Closes #92 (closed)
Blocked by omnibus-gitlab!5529 (merged)

TODO

• I added the Changelog trailer (e.g. Changelog: feature) to the commits that need to be included in the changelog
• I added unit tests or they are not required
• I added acceptance tests or they are not required
• I added documentation (or it's not required)
• I followed code review guidelines
• I followed Go Style guidelines

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