Update Cody faq page.

Author: rakeshjosh2003

docs/cody/faq.mdx

@@ -145,9 +145,9 @@ Yes, it's possible to set separate token usage for API but only for completions
 
 		maxOutputTokens: Specifies the maximum number of tokens allowed in the response
 
-Also, remove the below setting in the site configuration under the model configuration.
+Also, you need to set the "capabilities" list as empty in the model configuration.
 
-  "capabilities": ["autocomplete", "chat"]
+  "capabilities": []
 
 
 ## OpenAI o1