minor #34616 [FWBundle] Remove unused parameter (dunglas)

This PR was merged into the 4.3 branch.

Discussion
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[FWBundle] Remove unused parameter

| Q             | A
| ------------- | ---
| Branch?       | 4.3
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | n/a
| License       | MIT
| Doc PR        | n/a

Commits
-------

22a7f40cb8 [FWBundle] Remove unused parameter

Author: fabpot

DependencyInjection/FrameworkExtension.php

@@ -283,7 +283,7 @@ public function load(array $configs, ContainerBuilder $container)
         }
 
         if ($this->messengerConfigEnabled = $this->isConfigEnabled($container, $config['messenger'])) {
-            $this->registerMessengerConfiguration($config['messenger'], $container, $loader, $config['serializer'], $config['validation']);
+            $this->registerMessengerConfiguration($config['messenger'], $container, $loader, $config['validation']);
         } else {
             $container->removeDefinition('console.command.messenger_consume_messages');
             $container->removeDefinition('console.command.messenger_debug');
@@ -1639,7 +1639,7 @@ private function registerLockConfiguration(array $config, ContainerBuilder $cont
         }
     }
 
-    private function registerMessengerConfiguration(array $config, ContainerBuilder $container, XmlFileLoader $loader, array $serializerConfig, array $validationConfig)
+    private function registerMessengerConfiguration(array $config, ContainerBuilder $container, XmlFileLoader $loader, array $validationConfig)
     {
         if (!interface_exists(MessageBusInterface::class)) {
             throw new LogicException('Messenger support cannot be enabled as the Messenger component is not installed. Try running "composer require symfony/messenger".');