Remove unnecessary markTestSkipped for MonologBundle

Since MonologBundle is now in require-dev, the class is always
available during tests, making this skip condition unreachable.

Author: camilleislasse

src/mcp-bundle/tests/DependencyInjection/McpBundleTest.php

@@ -50,10 +50,6 @@ public function testCustomConfiguration()
 
     public function testMcpLoggerServiceIsCreated()
     {
-        if (!class_exists(MonologBundle::class)) {
-            $this->markTestSkipped('MonologBundle is not installed');
-        }
-
         $container = $this->buildContainer([]);
 
         $this->assertTrue($container->hasDefinition('monolog.logger.mcp'));