message: reverted accidental change
diff: <?xml version="1.0" ?>
  <launch>
  - <arg name="robot_ip" default="127.0.0.1" />
  + <arg name="robot_ip" default="robot.franka.de" />
  <arg name="arm_id" default="franka_emika" />
  <node name="$(arg arm_id)" pkg="franka_hw" type="franka_hw_node" output="screen" required="true">
  