[Houdini] [Python] Disconnect selected nodes.

disconnect_selected_nodes.py

for node in hou.selectedNodes():
    for inConnection in node.inputConnections():
        inIndex = inConnection.inputIndex()
        inNode = inConnection.outputNode()
        inNode.setInput(inIndex, None, 0)

    for outConnection in node.outputConnections():
        outIndex = outConnection.inputIndex()
        outNode = outConnection.outputNode()
        outNode.setInput(outIndex, None, 0)