Supply our default authenticator by making the binding optional rather than by

binding the default in PresentsServer.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5165 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/server/PresentsServer.java

@@ -62,7 +62,6 @@ public class PresentsServer
             bind(RunQueue.class).annotatedWith(EventQueue.class).to(PresentsDObjectMgr.class);
             bind(DObjectManager.class).to(PresentsDObjectMgr.class);
             bind(RootDObjectManager.class).to(PresentsDObjectMgr.class);
-            bind(Authenticator.class).to(DummyAuthenticator.class);
         }
     }