gnome-classic: Drop xorg sessions
Remove the xorg .desktop file sessions, and also the separate -wayland desktop file since we will only have a single Session now that will be a Wayland session.
Mirror of the changes in gnome-session 1
Remove the xorg .desktop file sessions, and also the separate -wayland desktop file since we will only have a single Session now that will be a Wayland session.
Mirror of the changes in gnome-session 1