Automatic merge from submit-queue
Get rid of output line that break automated usage of `kubectl set image`
**What this PR does / why we need it**:
**Which issue this PR fixes**: fixes#35105
**Special notes for your reviewer**: We could consider printing it to stderr, or using `IsTerminal()`, but I went for the simplest thing first.
**Release note**:
```release-note
Make `kubectl set image` easier to script
```
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