Remove remaining deprecated features

Author: chalasr

CHANGELOG.md

@@ -12,6 +12,7 @@ CHANGELOG
  * Remove the `security.user_password_encoder.generic` service, the `security.password_encoder` and the `Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface` aliases,
    use `security.user_password_hasher`, `security.password_hasher` and `Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface` instead
  * Remove the `logout.success_handler` and `logout.handlers` config options, register a listener on the `LogoutEvent` event instead
+ * Remove `FirewallConfig::getListeners()`, use `FirewallConfig::getAuthenticators()` instead
 
 5.4
 ---

Security/FirewallConfig.php

@@ -102,16 +102,6 @@ public function getAccessDeniedUrl(): ?string
         return $this->accessDeniedUrl;
     }
 
-    /**
-     * @deprecated since Symfony 5.4, use {@see getListeners()} instead
-     */
-    public function getListeners(): array
-    {
-        trigger_deprecation('symfony/security-bundle', '5.4', 'Method "%s()" is deprecated, use "%s::getAuthenticators()" instead.', __METHOD__, __CLASS__);
-
-        return $this->getAuthenticators();
-    }
-
     public function getAuthenticators(): array
     {
         return $this->authenticators;