Revert "gitlab-ci: disable a630 tests as mesa-cheza is down (again)"

This reverts commit 18657c0c0a9074d3dfc0763b396929bcf34f71b4

Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3804>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3804>
1 file changed