Refactor verbosity handling in OllamaAPI

- Removed the verbose logging feature from the OllamaAPI class and related classes.
- Updated logging statements to use debug level instead of info for model requests and responses.
- Cleaned up related test cases to reflect the removal of verbosity settings.

src/test/java/io/github/ollama4j/integrationtests/OllamaAPIIntegrationTest.java

@@ -75,7 +75,6 @@ class OllamaAPIIntegrationTest {
             api = new OllamaAPI("http://" + ollama.getHost() + ":" + ollama.getMappedPort(internalPort));
         }
         api.setRequestTimeoutSeconds(120);
-        api.setVerbose(true);
         api.setNumberOfRetriesForModelPull(5);
     }
 

src/test/java/io/github/ollama4j/integrationtests/WithAuth.java

@@ -61,7 +61,6 @@ public class WithAuth {
 
         api = new OllamaAPI("http://" + nginx.getHost() + ":" + nginx.getMappedPort(NGINX_PORT));
         api.setRequestTimeoutSeconds(120);
-        api.setVerbose(true);
         api.setNumberOfRetriesForModelPull(3);
 
         String ollamaUrl = "http://" + ollama.getHost() + ":" + ollama.getMappedPort(OLLAMA_INTERNAL_PORT);