fix: remove incorrect validation group

src/Entity/Groups/AccommodationBooking.php

@@ -164,7 +164,6 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
     #[Assert\Expression(
         'null === this.getTotalDiscount() or (null !== value and "" !== value)',
         message: 'Bitte eine Bezeichnung für den Rabatt angeben.',
-        groups: ['edit'],
     )]
     private ?string $totalDiscountLabel = null;