[cv][dev] reduce potential blast radius before the CL purging is deployed.
[cv][dev] reduce potential blast radius before the CL purging is deployed.

CL purging is the first action that **may** (but shouldn't) cause harm.
Furthermore, -dev is autodeployed.
So, remove big projects from -dev before landing full purging pipeline.

Finally, enable `cq-test` project on -dev.

R=qyearsley, yiwzhang

Bug: 1156241
Change-Id: If3bb19b7ae2141dfcbf699c2c35c8d8b0b0bb6d1
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/2741574
Auto-Submit: Andrii Shyshkalov <a30c74fa30536fe7ea81ed6dec202e35e149e1fd@google.com>
Reviewed-by: Quinten Yearsley <747cf52e0cef2e3e9371802a2d344b6c87126a4b@chromium.org>
Commit-Queue: Andrii Shyshkalov <a30c74fa30536fe7ea81ed6dec202e35e149e1fd@google.com>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go