Clean up the images from GitLab CI
Remove unused images migrated from GitLab CI in app/assets/images/ci
:
- arch.jpg
- There is no reference to this image. The same but updated image appears in www-gitlab-com
- favicon.ico
- There is no reference to this image. That for GitLab is in app/assets/images.
- loader.gif
- There is no reference to this image.
- no_avatar.png
- There is no reference to this image. That for GitLab is in app/assets/images.
- rails.png
- There is no reference to this image and this is the default from Rails.
- service_sample.png
- There is no reference to this image and this image is too old.
subissue of #17567 (moved)