Bureau registry doesn't need to listen for client object death now that it listens for the end of a session. This was causing a warning in the log when the bureau was not found on the second call to clientDestroyed

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5262 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/bureau/server/BureauRegistry.java

@@ -36,8 +36,6 @@ import com.samskivert.util.ProcessLogger;
 
 import com.threerings.presents.annotation.MainInvoker;
 import com.threerings.presents.data.ClientObject;
-import com.threerings.presents.dobj.ObjectDeathListener;
-import com.threerings.presents.dobj.ObjectDestroyedEvent;
 import com.threerings.presents.dobj.RootDObjectManager;
 import com.threerings.presents.server.ClientManager;
 import com.threerings.presents.server.InvocationManager;
@@ -366,12 +364,6 @@ public class BureauRegistry
 
         bureau.clientObj = client;
 
-        bureau.clientObj.addListener(new ObjectDeathListener() {
-            public void objectDestroyed (ObjectDestroyedEvent e) {
-                BureauRegistry.this.clientDestroyed(bureau);
-            }
-        });
-
         log.info("Bureau created " + StringUtil.toString(bureau) +
             ", launching pending agents");