internal/ci: remove cue-unity/unity from codereview.cfg
The old cueckoo treats both unity codereview.cfg entries as optional,
only triggering workflows on the present ones.
The new cueckoo will do something similar, but it will omit "cue-unity"
if "cue-unity-new" is also present, which it no longer will be.
In both cases, we will only trigger a workflow on unity-private now.
As a bonus, the "Trigger unity build" step now triggers unity-private,
as it had not been updated with our duplicated setup at all.
Signed-off-by: Daniel Martí <mvdan@mvdan.cc>
Change-Id: I1a5f08ac9eeb75f79fff4879de431bfff9b5b9cb
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/554255
Reviewed-by: Paul Jolly <paul@myitcv.io>
TryBot-Result: CUEcueckoo <cueckoo+gerrithub@cuelang.org>
Unity-New-Result: CUE porcuepine <cue.porcuepine@gmail.com>