Update controller_manager/doc/userdoc.rst

controller_manager/doc/userdoc.rst

@@ -147,21 +147,6 @@ There are two scripts to interact with controller manager from launch files:
       --activate            Activates the given components. Note: Components are by default configured before activated.
       --configure           Configures the given components.
 
-rqt_controller_manager
-----------------------
-A GUI tool to interact with the controller manager services to be able to switch the lifecycle states of the controllers as well as the hardware components.
-
-.. image:: images/rqt_controller_manager.png
-
-It can be launched independently using the following command or as rqt plugin:
-
-.. code-block:: console
-
-    ros2 run rqt_controller_manager rqt_controller_manager
-
-* Double-click on a controller or hardware component to show the additional info.
-* Right-click on a controller or hardware component to show a context menu with options for lifecycle management.
-
 
 Using the Controller Manager in a Process
 -----------------------------------------