Cleanup JavaDoc from references to removed classes.
@@ -10,7 +10,7 @@ import org.jenkinsci.remoting.engine.JnlpClientDatabase;
import org.jenkinsci.remoting.engine.JnlpConnectionStateListener;
/**
- * Receives incoming agents connecting through {@link JnlpSlaveAgentProtocol2}, {@link JnlpSlaveAgentProtocol3}, {@link JnlpSlaveAgentProtocol4}.
+ * Receives incoming agents connecting through {@link JnlpSlaveAgentProtocol4}.
*
* <p>
* This is useful to establish the communication with other JVMs and use them
