Remove name remapping rule for rviz2

Author: Juliaj

demo/launch/demo.launch.py

@@ -38,7 +38,7 @@ def generate_launch_description():
         package="rviz2",
         executable="rviz2",
         output="log",
-        arguments=["-d", rviz_config_file, "--ros-args", "--remap", "rviz:__name:=rviz2"],
+        arguments=["-d", rviz_config_file],
         parameters=[
             moveit_config.robot_description,
             moveit_config.robot_description_semantic,