@Override
    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        componentJID = (JID) ExternalizableUtil.getInstance().readSerializable(in);
    }
Task that will be executed on other cluster nodes to trigger the event that a component was
removed from a cluster node.

@author Gaston Dombiak
xmppserver/src/main/java/org/jivesoftware/openfire/component/NotifyComponentUnregistered.java