message: Changes the laucnh file back.
diff: <launch>
  <arg name="load_gripper" default="true" />
  + <arg name="robot_ip" />
  <arg name="publish_rate" default="30" />
  <param unless="$(arg load_gripper)" name="robot_description" command="$(find xacro)/xacro --inorder $(find franka_description)/robots/panda_arm.urdf.xacro" />
  <param if="$(arg load_gripper)" name="robot_description" command="$(find xacro)/xacro --inorder $(find franka_description)/robots/panda_arm_hand.urdf.xacro" />
  + <node name="robot_joint_state_publisher" pkg="franka_visualization" type="robot_joint_state_publisher" output="screen">
  + <rosparam command="load" file="$(find franka_visualization)/config/robot_settings.yaml" />
  + <param name="robot_ip" value="$(arg robot_ip)" />
  + <param name="publish_rate" value="$(arg publish_rate)" />
  + </node>
  +
  + <node name="gripper_joint_state_publisher" pkg="franka_visualization" type="gripper_joint_state_publisher" output="screen" if="$(arg load_gripper)">
  + <rosparam command="load" file="$(find franka_visualization)/config/gripper_settings.yaml" />
  + <param name="robot_ip" value="$(arg robot_ip)" />
  + <param name="publish_rate" value="$(arg publish_rate)" />
  + </node>
  +
  <node name="joint_state_publisher" type="joint_state_publisher" pkg="joint_state_publisher" output="screen">
  <param name="rate" value="$(arg publish_rate)" />
  - <param name="use_gui" value="true" />
  + <rosparam param="source_list">[robot_joint_state_publisher/joint_states, gripper_joint_state_publisher/joint_states]</rosparam>
  </node>
  <node name="robot_state_publisher" pkg="robot_state_publisher" type="state_publisher" />
  