Automatic merge from submit-queue (batch tested with PRs 47921, 45984, 46829, 46896, 46923)

Remove unnecessary wrapper flags

**What this PR does / why we need it**:

Drop KUBE_GOFLAGS, KUBE_GOGCFLAGS, KUBE_GOLDFLAGS references
from the build infrastructure

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #47296

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```