Modify PHPStan configuration for static analysis.

phpstan.neon

@@ -6,9 +6,6 @@ parameters:
 
     bootstrap: %rootDir%/../../../util/phpstan.php
 
-    doctrine:
-        repositoryClass: Azura\Doctrine\Repository
-
     universalObjectCratesClasses:
         - Azura\Session\NamespaceInterface
         - Azura\View
@@ -17,9 +14,6 @@ parameters:
         # Caused by Symfony Validator (perhaps wrongly) returning the interface.
         - '#Cannot cast Symfony\\Component\\Validator\\ConstraintViolationListInterface to string.#'
 
-        # Doctrine custom repositories aren't handled by the Doctrine plugin yet.
-        # - '#Property .* does not accept Azura\\Doctrine\\Repository<.*>.#'
-
         # Supervisor functions that do exist but aren't annotated properly in the connector lib.
         - '#Call to an undefined method Supervisor\\Supervisor::reloadConfig().#'