Exclude qa and docs from Rails 4 builds
Exclude qa and docs from Rails 4 builds

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/54059

iiet/iiet-git,mmkassem/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,iiet/iiet-git,iiet/iiet-git,mmkassem/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,axilleas/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab