[gnome-session] build: Remove obsolete defines

[Ray Strode <halfline src gnome org>]

commit 37ecfc7b76250ad109339c3318a7e67a1c5d506c
Author: Marvin Schmidt <marv exherbo org>
Date:   Tue May 23 18:42:16 2017 +0200

    build: Remove obsolete defines
    
    The use of gconftool and gconf-sanity-check was removed a long time ago
    in 2011 (commit 093d319757e6131734622103f70f46687ac1a625)
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783007

 gnome-session/Makefile.am |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/gnome-session/Makefile.am b/gnome-session/Makefile.am
index cf8fb8b..e8e7608 100644
--- a/gnome-session/Makefile.am
+++ b/gnome-session/Makefile.am
@@ -84,10 +84,8 @@ gnome_session_binary_CPPFLAGS =                      \
        $(GIOUNIX_CFLAGS)                       \
        -DLOCALE_DIR=\""$(datadir)/locale"\"    \
        -DDATA_DIR=\""$(datadir)/gnome-session"\" \
-        -DLIBEXECDIR=\"$(libexecdir)\"         \
-       -DGTKBUILDER_DIR=\""$(pkgdatadir)"\"    \
-       -DGCONF_SANITY_CHECK=\""$(GCONF_SANITY_CHECK)"\" \
-       -DGCONFTOOL_CMD=\"$(GCONFTOOL)\"
+       -DLIBEXECDIR=\"$(libexecdir)\"          \
+       -DGTKBUILDER_DIR=\""$(pkgdatadir)"\"
 
 gnome_session_binary_LDADD =                   \
        libgsmutil.la                           \