Fix an exception in CommentType

Author: rosier

src/Form/CommentType.php

@@ -43,7 +43,6 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
         $builder
             ->add('content', TextareaType::class, [
                 'help' => 'help.comment_content',
-                'formaction' => 'foo',
             ])
         ;
     }