message: revert ip change
diff: <?xml version="1.0" ?>
  <launch>
  - <arg name="robot_ip" default="franka_softies" />
  + <arg name="robot_ip" default="robot.franka.de" />
  <arg name="arm_id" default="franka_emika" />
  <group ns="$(arg arm_id)">
  <node name="franka_gripper_node" pkg="franka_gripper" type="franka_gripper_node" output="screen">
  