Remove public/ci/favicon.ico
Description
While public/ci/favicon.ico
was introduced from gitlab-org/gitlab-ci in !1204 (merged), it looks deprecated and so can now be removed.
The icon app/assets/images/ci/favicon.ico
as same as this was already removed in !4163 (merged) (by me
Impact
- makes the
/public
directory flatter and simple by removingpublic/ci
. - https://gitlab.com/ci/favicon.ico is 200 now, but will be 404.
Links
Part of #17567 (moved)