Merge pull request #56137 from containscafeine/remove-punctuation-from-error

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 punctuation from the end of an error string

```release-note
NONE
```

pkg/kubectl/run.go

@@ -233,7 +233,7 @@ func getName(params map[string]string) (string, error) {
 	if !found || len(name) == 0 {
 		name, found = params["default-name"]
 		if !found || len(name) == 0 {
-			return "", fmt.Errorf("'name' is a required parameter.")
+			return "", fmt.Errorf("'name' is a required parameter")
 		}
 	}
 	return name, nil