Merge branch 'docs-clean-redirects-2023-06-28' into 'master'

Clean up docs redirects, ee - 2023-06-28

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/124861



Merged-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Approved-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Co-authored-by: Ashraf Khamis <akhamis@gitlab.com>