[gtk+] Don't use *_SINGLE_INCLUDES defines

[Matthias Clasen <matthiasc src gnome org>]

commit 416e1a14688eb7983cd8b0b482e60b5854ce3ef7
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 1 22:35:05 2011 -0400

    Don't use *_SINGLE_INCLUDES defines
    
    GLib now outlaws single includes always, anyway.

 configure.ac |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5e9c0e6..5646dec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -444,8 +444,6 @@ if test "x$GCC" = "xyes"; then
 fi
 changequote([,])dnl
 
-CPPFLAGS="$CPPFLAGS -DG_DISABLE_SINGLE_INCLUDES -DATK_DISABLE_SINGLE_INCLUDES"
-
 # Ensure MSVC-compatible struct packing convention is used when
 # compiling for Win32 with gcc.
 # What flag to depends on gcc version: gcc3 uses "-mms-bitfields", while