Remove logger von agent in chat examples

Author: chr-hertel

examples/chat/persistent-chat-cache.php

@@ -24,7 +24,7 @@
 $store = new CacheStore(new ArrayAdapter(), 'chat');
 $store->setup();
 
-$agent = new Agent($platform, 'gpt-4o-mini', logger: logger());
+$agent = new Agent($platform, 'gpt-4o-mini');
 $chat = new Chat($agent, $store);
 
 $messages = new MessageBag(

examples/chat/persistent-chat-session.php

@@ -33,7 +33,7 @@
 $store = new SessionStore($requestStack, 'chat');
 $store->setup();
 
-$agent = new Agent($platform, 'gpt-4o-mini', logger: logger());
+$agent = new Agent($platform, 'gpt-4o-mini');
 $chat = new Chat($agent, $store);
 
 $messages = new MessageBag(