Update websocket_handler.py

websocket_handler.py

@@ -18,7 +18,6 @@ from chat_handler import handle_new_message, handle_parameter_followup
 from stt_factory import STTFactory
 from tts_factory import TTSFactory
 from logger import log_info, log_error, log_debug, log_warning
-from realtime_session_manager import send_tts_welcome_message
 
 # ========================= CONSTANTS =========================
 # Default values - will be overridden by config