Replace PhonenumberConstraint with PhoneNumber constraint in user profile update.

- Updated the `UpdateProfileCommand` to use `\Misd\PhoneNumberBundle\Validator\Constraints\PhoneNumber` instead of the deprecated `PhonenumberConstraint`.
- Removed unused `PhonenumberConstraint` imports from relevant files.

src/Bundle/ChillMainBundle/Entity/User.php

@@ -23,7 +23,6 @@ use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
 use Symfony\Component\Security\Core\User\UserInterface;
 use Symfony\Component\Serializer\Annotation as Serializer;
 use Symfony\Component\Validator\Context\ExecutionContextInterface;
-use Chill\MainBundle\Validation\Constraint\PhonenumberConstraint;
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**