[gtkhtml] Remove *_DISABLE_SINGLE_INCLUDES macros.

[Matthew Barnes <mbarnes src gnome org>]

commit af16b12d0b68bfbf6d8fc3ada348aa2a629aa4d5
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Nov 24 17:47:34 2011 -0500

    Remove *_DISABLE_SINGLE_INCLUDES macros.
    
    We already comply, and it's required now anyway for gtk3.

 configure.ac |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index fe1c41a..207e417 100644
--- a/configure.ac
+++ b/configure.ac
@@ -62,9 +62,7 @@ if test "x${enable_deprecated_flags}" = "xyes"; then
 fi
 
 AS_COMPILER_FLAGS(WARNING_FLAGS,
-	"-DG_DISABLE_SINGLE_INCLUDES
-	-DGTK_DISABLE_SINGLE_INCLUDES
-	-Wall -Wextra
+	"-Wall -Wextra
 	-Wno-missing-field-initializers
 	-Wno-sign-compare
 	-Wno-unused-parameter