fix: simplify multiworker NATS configuration handling

Author: ImMohammad20000

main.py

@@ -28,12 +28,8 @@
 if workers < 1:
     logger.warning(f"Invalid UVICORN_WORKERS value '{UVICORN_WORKERS}', defaulting to 1.")
     workers = 1
-try:
+elif workers > 1:
     require_nats_if_multiworker(workers)
-except RuntimeError as e:
-    logger.info("multiworker NATS is not properly configured, defaulting to single worker.")
-    logger.debug(str(e))
-    workers = 1
 
 
 app = create_app(role="panel")