Automatic merge from submit-queue. 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 factory metricsclient method

**What this PR does / why we need it**:
Alternative approach to https://github.com/kubernetes/kubernetes/pull/60142 which fixed the `NewCmdTopPod` return arguments

/assign @deads2k 

**Release note**:
```release-note
None
```