code: def remove_node(self, node):
          
          preds = self.reverse_edges.get(node, [])
          for pred in preds:
              self.edges[pred].remove(node)
  
          succs = self.edges.get(node, [])
          for suc in succs:
              self.reverse_edges[suc].remove(node)
  
          exc_preds = self.reverse_catch_edges.pop(node, [])
          for pred in exc_preds:
              self.catch_edges[pred].remove(node)
  
          exc_succs = self.catch_edges.pop(node, [])
          for suc in exc_succs:
              self.reverse_catch_edges[suc].remove(node)
  
          self.nodes.remove(node)
          if node in self.rpo:
              self.rpo.remove(node)
          del node
docs: Remove the node from the graph, removes also all connections.
  
          :param androguard.decompiler.dad.node.Node node: the node to remove