fix: potential bug in SpeechToSpeakerActor

respond_to_prompt_actor.py

@@ -65,13 +65,11 @@ class SpeechToSpeakerActor:
         load_dotenv()
         self.input_queue = input_queue
         self.speaker_service = LocalSpeakerService()
-        self.chat_service = ChatService(voice_id=voice_id)
 
     async def run(self):
         while True:
             audio_chunk = await self.input_queue.get_async()
             # print (f"Got audio chunk {len(audio_chunk)}")
-            self.chat_service.enqueue_speech_bytes_to_play([audio_chunk])
             self.speaker_service.add_audio_stream([audio_chunk])
             
     async def cancel(self):