More formatting fixes

thanks doc8 linter :-)

Author: Felix Exner

ur_robot_driver/doc/usage/controllers.rst

@@ -86,7 +86,6 @@ Scaled version of the
 It uses the robot's speed scaling information and thereby the safety compliance features, like pause on safeguard stop. In addition, it also makes it possible to adjust execution speed using the speed slider on the teach pendant or set the program in pause and restart it again.
 See it's linked documentation for details.
 
-.. note::
 io_and_status_controller
 ^^^^^^^^^^^^^^^^^^^^^^^^
 

ur_robot_driver/doc/usage/toc.rst

@@ -85,7 +85,7 @@ interface. Ready to receive control commands.``
 In general, make sure you're starting up the robot as explained :ref:`here<ur_robot_driver_startup>`.
 
 When starting the program on the teach pendant, I get an error "The connection to the remote PC could not be established"
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Make sure, the IP address setup is correct, as described in the setup guides
 (:ref:`CB3 robots<install-urcap-cb3>`, :ref:`e-Series robots<install-urcap-e-series>`)