revert back tendermint.py signal handling

operate/services/utils/tendermint.py

@@ -188,14 +188,6 @@ def __init__(
         self.log_file = os.environ.get("LOG_FILE", DEFAULT_TENDERMINT_LOG_FILE)
         self.write_to_log = write_to_log
 
-    def _set_on_stop_handler(self):
-        signal.signal(signal.SIGINT, self._stop_signal_handler)
-        signal.signal(signal.SIGTERM, self._stop_signal_handler)
-
-    def _stop_signal_handler(self):
-        self.logger.info("Handling stop signal!")
-        self.stop()
-
     def _build_init_command(self) -> List[str]:
         """Build the 'init' command."""
         cmd = [
@@ -266,7 +258,6 @@ def _start_monitoring_thread(self) -> None:
 
     def start(self, debug: bool = False) -> None:
         """Start a Tendermint node process."""
-        self._set_on_stop_handler()
         self._start_tm_process(debug)
         self._start_monitoring_thread()
 
@@ -319,8 +310,8 @@ def _stop_monitoring_thread(self) -> None:
 
     def stop(self) -> None:
         """Stop a Tendermint node process."""
-        self._stop_monitoring_thread()
         self._stop_tm_process()
+        self._stop_monitoring_thread()
 
     @staticmethod
     def _write_to_console(line: str) -> None: