feat(altcha): add altcha validation layer to login

src/Form/LoginType.php

@@ -6,7 +6,6 @@ use App\Altcha\Form\AltchaType;
 use App\Flag\FlagAccessor;
 use App\Flag\FlagEnum;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\PasswordType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -31,11 +30,6 @@ class LoginType extends AbstractType
                 'translation_domain' => 'form',
                 'label' => 'form.label.password',
             ])
-            ->add('_remember_me', CheckboxType::class, [
-                'required' => false,
-                'translation_domain' => 'form',
-                'label' => 'form.label.remember_me',
-            ])
         ;
 
         if ($this->flagAccessor->isFlagEnabled(FlagEnum::Altcha, $this->altchaEnabled)) {