Fix namespace (#136)

Author: rafal-gorecki

rosbot_joy/launch/joy.launch.py

@@ -52,15 +52,13 @@ def generate_launch_description():
         package="joy",
         executable="joy_node",
         name="joy_node",
-        namespace=namespace,
         parameters=[joy_config],
     )
 
     joy2twist_node = Node(
         package="teleop_twist_joy",
         executable="teleop_node",
         name="joy2twist",
-        namespace=namespace,
         parameters=[joy_config],
         remappings={("/cmd_vel", joy_vel)},
     )