fix storing of i18n contents, fixes #1708

Closes #1708

Merge request studip/studip!1114

lib/classes/forms/I18n_formattedInput.php

@@ -44,12 +44,6 @@ class I18n_formattedInput extends Input
 
     public function getRequestValue()
     {
-        $output = \Request::i18n($this->name);
-        if (\Studip\Markup::editorEnabled()) {
-            $output = \Studip\Markup::purifyHtml(
-                \Studip\Markup::markAsHtml($output)
-            );
-        }
-        return $output;
+        return \Studip\Markup::purifyHtml(\Request::i18n($this->name));
     }
 }