Merge branch 'toon-no-gitaly-ruby' into 'master'

gitaly: Remove Ruby sidecar handling

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/117681



Merged-by: Stan Hu <stanhu@gmail.com>
Approved-by: Nao Hashizume <nhashizume@gitlab.com>
Approved-by: Stan Hu <stanhu@gmail.com>
Approved-by: Aakriti Gupta <agupta@gitlab.com>
Reviewed-by: Aakriti Gupta <agupta@gitlab.com>
Co-authored-by: Toon Claes <toon@gitlab.com>