[TASK] Update examples in ValidationResults ViewHelper

The examples in the docblock comment in
\TYPO3\CMS\Fluid\ViewHelpers\Form\ValidationResultsViewHelper
need to be updated to match this ViewHelper.

Change-Id: I133faa0ed76f52bd7c534da241da016dfb0be1f5
Resolves: #40813
Releases: 6.1, 6.0, 4.7
Reviewed-on: https://review.typo3.org/18581
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring
Reviewed-by: Marc Bastian Heinrichs
Tested-by: Marc Bastian Heinrichs