code: def delete(node_name):
      
      result = {}
      node = nago.core.get_node(node_name)
      if not node:
          result['status'] = 'error'
          result['message'] = "node not found."
      else:
          node.delete()
          result['status'] = 'success'
          result['message'] = 'node deleted.'
      return result
docs: Delete a specific node