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.

docs/blog/2025-03-08-blog/index.md

@@ -373,7 +373,6 @@ public class CouchbaseToolCallingExample {
         String modelName = Utilities.getFromConfig("tools_model_mistral");
 
         OllamaAPI ollamaAPI = new OllamaAPI(host);
-        ollamaAPI.setVerbose(false);
         ollamaAPI.setRequestTimeoutSeconds(60);
 
         Tools.ToolSpecification callSignFinderToolSpec = getCallSignFinderToolSpec(cluster, bucketName);