refactor: clean up comments and formatting in server.php example

Author: xentixar

examples/10-cached-discovery-stdio/server.php

@@ -12,21 +12,17 @@
  * file that was distributed with this source code.
  */
 
-require_once __DIR__.'/../bootstrap.php';
+require_once __DIR__ . '/../bootstrap.php';
 
 use Mcp\Server;
 use Mcp\Server\Transport\StdioTransport;
 use Symfony\Component\Cache\Adapter\ArrayAdapter;
 use Symfony\Component\Cache\Psr16Cache;
 
-// Example showing how to use discovery caching for improved performance
-// This is especially useful in development environments where the server
-// is restarted frequently, or in production where discovery happens on every request.
-
 Server::make()
     ->withServerInfo('Cached Discovery Calculator', '1.0.0', 'Calculator with cached discovery for better performance.')
     ->withDiscovery(__DIR__, ['.'])
     ->withLogger(logger())
-    ->withCache(new Psr16Cache(new ArrayAdapter())) // Enable discovery caching
+    ->withCache(new Psr16Cache(new ArrayAdapter()))
     ->build()
     ->connect(new StdioTransport());