touchscreen: removed state from touchscreen
touchscreen: removed state from touchscreen

There didn't seem to be a reason to hide the touchscreen, and this
makes the state changer a pain to interact with. Changes will come
to the state changer in the future to allow ignoring certain REs
matching topics.

EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes