Drop KUBE_GOFLAGS, KUBE_GOGCFLAGS, KUBE_GOLDFLAGS references
from the build infrastructure. There are some usages still
for KUBE_GOFLAGS, so we should print a deprecation message
until all those are fixed. If both KUBE_GOFLAGS and GOFLAGS
are just then we just bail out.
Automatic merge from submit-queue
Update examples in Makefile with WHAT arguments changed.
**What this PR does / why we need it**:
The examples `make check WHAT` and `make vet WHAT` in Makefile don't work anymore. This PR updates them.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
xref: https://github.com/kubernetes/community/issues/327, https://github.com/kubernetes/community/pull/296, https://github.com/kubernetes/kubernetes/pull/39433
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Davanum Srinivas