Merge branch 'docs-clean-redirects-2023-10-08' into 'master'

Clean up docs redirects, ee - 2023-10-08

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/133546



Merged-by: Marcel Amirault <mamirault@gitlab.com>
Co-authored-by: Russell Dickenson <rdickenson@gitlab.com>