deactivateLoggers function
Implementation
void deactivateLoggers(Set<Logger> loggers) {
  for (final logger in loggers) {
    if (_activeLoggers.contains(logger)) {
      // ignore: avoid_print
      print("Deactivating logger: ${logger.name}");
      logger.clearListeners();
      _activeLoggers.remove(logger);
    }
  }
}