cleaning up

ur_gazebo/launch/controller_utils.launch

@@ -7,9 +7,6 @@
     <param name="tf_prefix" type="string" value="" />
   </node>
 
-  <!-- Diagnostics -->
-  <node pkg="pr2_mechanism_diagnostics" type="pr2_mechanism_diagnostics" name="pr2_mechanism_diagnostics" />
-
   <!-- Fake Calibration -->
   <node pkg="rostopic" type="rostopic" name="fake_joint_calibration"
         args="pub /calibrated std_msgs/Bool true" />