[glib] Drop unused AC_SUBST

[Matthias Clasen <matthiasc src gnome org>]

commit 7cc9e10cce30ebe9242c0cc0649a4badffe0123e
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Dec 27 17:20:36 2011 -0500

    Drop unused AC_SUBST
    
    DISABLE_MEM_POOLS is only used as define.

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 00209e8..ae107b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -243,7 +243,6 @@ if test "x$disable_mem_pools" = "xno"; then
   AC_MSG_RESULT([no])
 else
   AC_DEFINE(DISABLE_MEM_POOLS, [1], [Whether to disable memory pools])
-  AC_SUBST(DISABLE_MEM_POOLS)
   AC_MSG_RESULT([yes])
 fi