Fixed code style

Author: Steveb-p

src/lib/Permission/UserPermissionsLimitationType.php

@@ -17,7 +17,6 @@
 use Ibexa\Contracts\Core\Repository\Values\User\Limitation as APILimitationValue;
 use Ibexa\Contracts\Core\Repository\Values\User\Role;
 use Ibexa\Contracts\Core\Repository\Values\User\UserReference as APIUserReference;
-use Ibexa\Contracts\Core\Repository\Values\ValueObject;
 use Ibexa\Core\Base\Exceptions\InvalidArgumentException;
 use Ibexa\Core\FieldType\ValidationError;
 use Ibexa\Core\Limitation\AbstractPersistenceLimitationType;