Merge pull request #35112 from errordeveloper/fix-35105

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
```

pkg/kubectl/cmd/set/set_image.go

@@ -199,7 +199,6 @@ func (o *ImageOptions) Run() error {
 		}
 
 		if o.Local {
-			fmt.Fprintln(o.Out, "running in local mode...")
 			return o.PrintObject(o.Cmd, o.Mapper, info.Object, o.Out)
 		}