default void removeNode(String nodeID) {
        removeNode( new Node.UniqueIdentifier(getUniqueIdentifier(), nodeID));
    }
Removes the specified node from the service. Most probably the node was deleted from
the database as well.<p>

A future version may support unloading of inactive nodes even though they may still
exist in the database.

@param nodeID the ID that uniquely identifies the node in the pubsub service.
xmppserver/src/main/java/org/jivesoftware/openfire/pubsub/PubSubService.java