Remove Sidekiq Limit fetch
It does not work properly anyway, see https://gitlab.com/gitlab-org/gitlab-ce/issues/36253
Moreover, it blocks the work on https://gitlab.com/gitlab-org/gitlab-ee/issues/7279
It does not work properly anyway, see https://gitlab.com/gitlab-org/gitlab-ce/issues/36253
Moreover, it blocks the work on https://gitlab.com/gitlab-org/gitlab-ee/issues/7279