Remove spurious output.

src/ros_queued_subscribe.cpp

@@ -274,9 +274,7 @@ namespace dynamicgraph
   }
 
   RosQueuedSubscribe::~RosQueuedSubscribe ()
-  {
-    std::cout << getName() << ": Delete" << std::endl;
-  }
+  {}
 
   void RosQueuedSubscribe::display (std::ostream& os) const
   {

src/ros_queued_subscribe.hh

@@ -104,7 +104,6 @@ namespace dynamicgraph
       {}
       ~BindedSignal()
       {
-        std::cout << signal->getName() << ": Delete" << std::endl;
         signal.reset();
         clear();
       }