[gnome-hello] build-sys: remove extra AC_SUBST

[Marc-Andre Lureau <malureau src gnome org>]

commit e761da5921218713435a007ef038f8567704010a
Author: Marc-André Lureau <marcandre lureau gmail com>
Date:   Mon Dec 22 16:22:52 2014 +0100

    build-sys: remove extra AC_SUBST
    
    This is not needed

 configure.ac |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0834e62..9d52650 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,11 +52,6 @@ AM_GLIB_GNU_GETTEXT
 # *************************************
 # *************************************
 
-AC_SUBST([AM_CPPFLAGS])
-AC_SUBST([AM_CFLAGS])
-AC_SUBST([AM_CXXFLAGS])
-AC_SUBST([AM_LDFLAGS])
-
 AC_CONFIG_FILES([
 Makefile
 src/Makefile