CNG: Workhorse contains excess

Summary

GitLab Workhorse is a golang binary, but does have some call outs. We probably don't need to be basing this image off of gitlab-ruby.

The image sizes:

distro	size
debian	631944445
ubi8	1499651212

Details

This image needs severely optimized, and it appears to be in the opposite direction of Gitaly (#2934 (closed))

Related to #2972 (closed).

Status

Significant reduction requires #2958 (closed)

Size of images (compressed ~50%, via skopeo) as to April 20, 2022

image	size
debian	315170692
ubi	676058431