Revert "update $WAYLAND_DISPLAY and $DISPLAY post login"

This reverts commit dd4fa3d.

Author: mmstick

data/start-cosmic

@@ -40,13 +40,7 @@ export DCONF_PROFILE=cosmic
 
 if command -v dbus-update-activation-environment >/dev/null; then
     # set environment variables for new units started by user service manager
-    dbus-update-activation-environment --systemd \
-        DCONF_PROFILE \
-        DISPLAY \
-        WAYLAND_DISPLAY \
-        XDG_CURRENT_DESKTOP \
-        XDG_SESSION_TYPE \
-        # EOF
+    dbus-update-activation-environment --systemd XDG_SESSION_TYPE XDG_CURRENT_DESKTOP DCONF_PROFILE
 fi
 # Run cosmic-session
 if [[ -z "${DBUS_SESSION_BUS_ADDRESS}" ]]; then