code: def delNode(self, address):
          
          LOGGER.info('Removing node {}'.format(address))
          message = {
              'removenode': {
                  'address': address
              }
          }
          self.send(message)
docs: Delete a node from the NodeServer
  
          :param node: Dictionary of node settings. Keys: address, name, node_def_id, primary, and drivers are required.