remove unused role ROLE_CUSTOMER (#712)

src/DataFixtures/UserFixtures.php

@@ -153,10 +153,6 @@ class UserFixtures extends Fixture
     protected function getUserDefinition()
     {
         return [
-            [
-                'Clara Haynes', 'CFO', 'clara_customer', 'clara_customer@example.com', User::ROLE_CUSTOMER,
-                'https://www.gravatar.com/avatar/00000000000000000000000000000000?d=monsterid&f=y', true
-            ],
             [
                 'John Doe', 'Developer', self::USERNAME_USER, 'john_user@example.com', User::ROLE_USER,
                 self::DEFAULT_AVATAR, true

src/Entity/User.php

@@ -30,7 +30,6 @@ use Symfony\Component\Validator\Constraints as Assert;
  */
 class User extends BaseUser implements UserInterface
 {
-    public const ROLE_CUSTOMER = 'ROLE_CUSTOMER';
     public const ROLE_USER = 'ROLE_USER';
     public const ROLE_TEAMLEAD = 'ROLE_TEAMLEAD';
     public const ROLE_ADMIN = 'ROLE_ADMIN';

src/Validator/Constraints/RoleValidator.php

@@ -14,16 +14,12 @@ use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
 
-/**
- * Class RoleValidator
- */
 class RoleValidator extends ConstraintValidator
 {
     /**
      * @var string[]
      */
     protected $allowedRoles = [
-        User::ROLE_CUSTOMER,
         User::ROLE_USER,
         User::ROLE_TEAMLEAD,
         User::ROLE_ADMIN,