cv: stop the diffing between CV Tryjob requirement and actual Tryjobs launched
cv: stop the diffing between CV Tryjob requirement and actual Tryjobs launched

Reason: The diff has been running for ~2weeks. All bugs seem to be
fixed. All the current diff seems to be noise (i.e. race condition
due to how reporting architecture works)

R=robertocn

Bug: 1312255
Change-Id: I11362c97346578b07df40a6cc26f2cd91d93fc46
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/3830791
Reviewed-by: Roberto Carrillo <b31161e510fbb37f8f70fdcde11530d2bae88470@chromium.org>
Commit-Queue: Roberto Carrillo <b31161e510fbb37f8f70fdcde11530d2bae88470@chromium.org>
Auto-Submit: Yiwei Zhang <50b2a565e2e78c292794832469a30ce5abc9959c@google.com>

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