[libnotify] Remove obsolete dbus define

[William Jon McCann <mccann src gnome org>]

commit f56ef989e799a06da2e6b63ddb4b22bad911ed14
Author: William Jon McCann <jmccann redhat com>
Date:   Sat Oct 2 02:20:03 2010 -0400

    Remove obsolete dbus define

 configure.ac |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9b53145..913692d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -121,8 +121,6 @@ AC_DEFINE_UNQUOTED(DBUS_MAJOR_VER, $DBUS_MAJOR_VER, [D-BUS major version.])
 AC_DEFINE_UNQUOTED(DBUS_MINOR_VER, $DBUS_MINOR_VER, [D-BUS minor version.])
 AC_DEFINE_UNQUOTED(DBUS_MICRO_VER, $DBUS_MICRO_VER, [D-BUS micro version.])
 
-AC_DEFINE_UNQUOTED(DBUS_API_SUBJECT_TO_CHANGE, ,DBUS API is subject to change)
-
 
 dnl ################################################################
 dnl # Set up gtk-doc