[vte] build: Remove unnecessary flag

[Christian Persch <chpe src gnome org>]

commit 4d7b5f0a5a85c2a21ae93e2eb1a6dca75dc12512
Author: Christian Persch <chpe gnome org>
Date:   Thu Apr 24 12:29:31 2014 +0200

    build: Remove unnecessary flag

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7182f42..fc6055a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -346,7 +346,7 @@ AC_SUBST([VTE_MAJOR_VERSION],[version_major])
 AC_SUBST([VTE_MINOR_VERSION],[version_minor])
 AC_SUBST([VTE_MICRO_VERSION],[version_micro])
 
-AC_SUBST([AM_CPPFLAGS],["$AM_CPPFLAGS -DGLIB_DISABLE_DEPRECATION_WARNINGS"])
+AC_SUBST([AM_CPPFLAGS])
 AC_SUBST([AM_CFLAGS])
 AC_SUBST([AM_LDFLAGS])