Revert "Merge branch 'aqualls-fix-package-dev-links' into 'main'"

The internal links are failing for 15.0 https://gitlab.com/gitlab-org/gitlab-docs/-/jobs/2486321264

This means that gitlab!87446 (merged) didn't make it into 15.0, but the navabr changes are in the Docs' 15.0 !2687 (merged).