remove the outdated docs

controller_manager/doc/userdoc.rst

@@ -225,9 +225,7 @@ Note that not all controllers have to be restarted, e.g., broadcasters.
 Restarting hardware
 ^^^^^^^^^^^^^^^^^^^^^
 
-If hardware gets restarted then you should go through its lifecycle again.
-This can be simply achieved by returning ``ERROR`` from ``write`` and ``read`` methods of interface implementation.
-**NOT IMPLEMENTED YET - PLEASE STOP/RESTART ALL CONTROLLERS MANUALLY FOR NOW** The controller manager detects that and stops all the controllers that are commanding that hardware and restarts broadcasters that are listening to its states.
+If hardware gets restarted then you should go through its lifecycle again inorder to reconfigure and export the interfaces
 
 Hardware and Controller Errors
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^