Revert "Merge branch 'eread/add-ruby-3_2-www_gitlab_com-image' into 'master'"

What does this MR do and why?

Not entirely sure why, but for some reason when the Docker image deployed from !646 (merged), the master pipeline in www-gitlab-com failed: https://gitlab.com/gitlab-com/www-gitlab-com/-/pipelines/796890609.

Jobs can't find yarn, which surprises me as I can't yet reproduce.

CC @rymai @laurenbarker

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