removed console SetQuiet for gazebo 2 versions

gazebo_grasp_plugin/src/GazeboGraspFix.cpp

@@ -44,7 +44,10 @@ void GazeboGraspFix::Init()
 
 void GazeboGraspFix::InitValues()
 {
+#if GAZEBO_MAJOR_VERSION > 2
     gazebo::common::Console::SetQuiet(false);
+#endif
+
     // float timeDiff=0.25;
     // this->releaseTolerance=0.005;
     // this->updateRate = common::Time(0, common::Time::SecToNano(timeDiff));