Merge branch 'mg-drop-train-limitation-20241030' into 'master'

Drop outdated merge train limitation

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/171110



Merged-by: Amy Qualls <aqualls@gitlab.com>
Approved-by: Amy Qualls <aqualls@gitlab.com>
Co-authored-by: Manuel Grabowski <mgrabowski@gitlab.com>