Fix user_profile_extractor: remove print

pqai_agent/user_profile_extractor.py

@@ -162,7 +162,6 @@ class UserProfileExtractor:
             logger.debug("try to extract profile from message: {}".format(dialogue_history))
             prompt_template = prompt_template or USER_PROFILE_EXTRACT_PROMPT_V2
             prompt = self.generate_extraction_prompt(user_profile, dialogue_history, prompt_template)
-            print(prompt)
             response = self.llm_client.chat.completions.create(
                 model=self.model_name,
                 messages=[