public void unregisterMultiUserChatService(@Nonnull final String subdomain) {
        unregisterMultiUserChatService(subdomain, true);
    }
Unregisters a MultiUserChatService from the manager.

It can be used to explicitly unregister services, and is also used internally to unregister database stored services.

Triggers the service to shut down.

An event will be sent to all other cluster nodes to inform them that a new service was added.

@param subdomain The subdomain of the service to be unregistered.
@see #removeMultiUserChatService(String)
xmppserver/src/main/java/org/jivesoftware/openfire/muc/MultiUserChatManager.java