remove signal from evaluator runner , because it runs only on main thread

src/evaluator/run_evaluator.py

@@ -1,15 +1,8 @@
 import time
-import sys
-import signal
 from src.evaluator.evaluate import process_evaluation_queue
 
-def signal_handler(sig, frame):
-    print("\nEvaluator shutting down...")
-    sys.exit(0)
 
 def evaluator_runner():
-    # Register signal handler for graceful shutdown
-    signal.signal(signal.SIGINT, signal_handler)
     
     print("Starting evaluator service...")