OEL-494: Style document paragraph.

Created by: brummbar

This PR provides incidentally also styling for the document media default view mode.

modules/oe_whitelabel_helper/src/TwigExtension/TwigExtension.php

@@ -6,7 +6,6 @@ namespace Drupal\oe_whitelabel_helper\TwigExtension;
 
 use Drupal\Core\Cache\CacheableDependencyInterface;
 use Drupal\Core\StringTranslation\PluralTranslatableMarkup;
-use Drupal\oe_whitelabel_helper\EuropeanUnionLanguages;
 use Drupal\Core\Url;
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFilter;
@@ -37,7 +36,6 @@ class TwigExtension extends AbstractExtension {
   public function getFilters(): array {
     return [
       new TwigFilter('bcl_timeago', [$this, 'bclTimeAgo']),
-      new TwigFilter('to_internal_language_id', [$this, 'toInternalLanguageId']),
     ];
   }
 
@@ -184,21 +182,4 @@ class TwigExtension extends AbstractExtension {
     return $block_plugin->build();
   }
 
-  /**
-   * Get an internal language ID given its code.
-   *
-   * @param string $language_code
-   *   The language code as defined by the W3C language tags document.
-   *
-   * @return string
-   *   The internal language ID, or the given language code if none found.
-   */
-  public function toInternalLanguageId(string $language_code): string {
-    if (EuropeanUnionLanguages::hasLanguage($language_code)) {
-      return EuropeanUnionLanguages::getInternalLanguageCode($language_code);
-    }
-
-    return $language_code;
-  }
-
 }