[gdm] Revert "welcome: set XDG_SESSION_CLASS"

[Ray Strode <halfline src gnome org>]

commit a1b29f251b3aa0fd7b4900e21de8e783814aa4da
Author: Ray Strode <rstrode redhat com>
Date:   Mon Mar 19 12:37:53 2012 -0400

    Revert "welcome: set XDG_SESSION_CLASS"
    
    This reverts commit 5aa5eada05e646ab21d17d2e879532ccc1b99b8f.
    
    The environment doesn't get set until after the pam session
    stack is run, so that's too late for systemd.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=670100

 daemon/gdm-welcome-session.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/daemon/gdm-welcome-session.c b/daemon/gdm-welcome-session.c
index d0f88a2..01df365 100644
--- a/daemon/gdm-welcome-session.c
+++ b/daemon/gdm-welcome-session.c
@@ -270,10 +270,6 @@ build_welcome_environment (GdmWelcomeSession *welcome_session,
                                               system_data_dirs));
         g_free (system_data_dirs);
 
-        g_hash_table_insert (hash,
-                             g_strdup ("XDG_SESSION_CLASS"),
-                             g_strdup ("greeter"));
-
         if (welcome_session->priv->dbus_bus_address != NULL) {
                 g_hash_table_insert (hash,
                                      g_strdup ("DBUS_SESSION_BUS_ADDRESS"),