code: public function removeConsignment(ConsignmentInterface $consignment)
      {
          $adapter = $this->getAdapter($consignment);
          $event = new EventConsignment($consignment);
          $this->eventDispatcher->dispatch(Events::PRE_CONSIGNMENT_REMOVE, $event);
  
          if ($consignment->getStatus() != ConsignmentStatusList::STATUS_NEW) {
              throw new OperationNotPermittedException(
                  sprintf(
                      'Can not remove Consignment "%s" with status "%s"',
                      $consignment->getId(),
                      $consignment->getStatus()
                  )
              );
          }
  
          try {
              $adapter->removeConsignment($consignment);
              $this->consignmentRepository->removeConsignment($consignment);
          } catch (\Exception $e) {
              throw new VendorAdapterException('Error during consignment removing.', null, $e);
          }
  
          $event = new EventConsignment($consignment);
          $this->eventDispatcher->dispatch(Events::POST_CONSIGNMENT_REMOVE, $event);
      }
docs: Remove given consignment. Allowed only in "new" status
  @param ConsignmentInterface $consignment
  @throws \Exception