$NetBSD$

Adjust to OpenPAM available modules.

--- data/pam/lightdm-greeter.orig	2018-04-10 03:07:52.000000000 +0000
+++ data/pam/lightdm-greeter
@@ -1,7 +1,7 @@
 #%PAM-1.0
 
 # Load environment from /etc/environment and ~/.pam_environment
-auth      required pam_env.so
+#auth      required pam_env.so
 
 # Always let the greeter start without authentication
 auth      required pam_permit.so
@@ -13,5 +13,4 @@ account   required pam_permit.so
 password  required pam_deny.so
 
 # Setup session
-session   required pam_unix.so
-session   optional pam_systemd.so
+session   required pam_permit.so
