Revert "Make x-d-p start on session start"
Revert "Make x-d-p start on session start"

This reverts commit f200147dd4121585114f1e4bb4b1963bf18ceb2d.

See https://github.com/flatpak/xdg-desktop-portal/issues/734

flatpak/xdg-desktop-portal,flatpak/xdg-desktop-portal,flatpak/xdg-desktop-portal,flatpak/xdg-desktop-portal