Remove screensaver timeout management
Just keep its deactivation in case of inhibition. The timeout should be set from the settings of the screensaver used, otherwise it causes unresolvable conflicts and erratic behavior from the user's point of view.
Fixes: #81 (closed), #84 (closed), #113 (closed), #153 (closed), apps/xfce4-screensaver#133 (closed)
Edited by Gaël Bonithon