Automatic merge from submit-queue (batch tested with PRs 57871, 61094, 60459, 61089, 61105). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

remove the outdated TODO

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

remove the outdated TODO in [https://github.com/kubernetes/kubernetes/blob/a7d6340ad28970a99a67feba3913d0bd653855b1/staging/src/k8s.io/apiserver/pkg/registry/rest/meta.go#L42](https://github.com/kubernetes/kubernetes/blob/a7d6340ad28970a99a67feba3913d0bd653855b1/staging/src/k8s.io/apiserver/pkg/registry/rest/meta.go#L42)

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

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```