cleanup: Remove unnecessary signal handler in bybit_md_provider.py

We handle them properly in sparkd now

src/lib_python_interop/python_interop_plugins/bybit_md_provider.py

@@ -4,7 +4,6 @@ import time
 import logging
 import sys
 import threading
-import signal
 from itertools import chain
 from typing import Iterable, Optional
 from pybit.unified_trading import WebSocket
@@ -83,17 +82,6 @@ class BybitMdProvider(MdProvider):
         self.ws_thread: Optional[threading.Thread] = None
         self.bridge: Optional[MdBridge] = None
         self.stop_event = threading.Event()
-        self._setup_signal_handlers()
-
-    def _setup_signal_handlers(self):
-        """Set up signal handlers for SIGINT, SIGTERM, and SIGTSTP."""
-        def signal_handler(sig, frame):
-            logger.info(f"Received signal {sig}, stopping...")
-            self.stop()
-        
-        signal.signal(signal.SIGINT, signal_handler)
-        signal.signal(signal.SIGTERM, signal_handler)
-        signal.signal(signal.SIGTSTP, signal_handler)
 
     @property
     def config(self):