"Generator" Angabe im Meta-Tag entfernen - Drupal 8

my_theme.theme

<?php

function my_theme_preprocess_page(array &$variables)
{
  /** @var \Drupal\Core\Page\HtmlPage $page */
  $page         = $variables['page']['#page'];
  $metaElements = $page->getMetaElements();
  
  foreach ($metaElements as $index => $metaElement)
  {
    if ($metaElement->getName() === 'Generator')
    {
      unset($page->getMetaElements()[$index]);
    }
  }
}