configure.ac: Remove unnecessary "AVAHI_GLIB_..." definitions.
@@ -277,8 +277,6 @@ AC_DEFINE_UNQUOTED([CUPS_IPPFIND], "$CUPS_IPPFIND", [ippfind binary to use.])
dnl Avahi
AVAHI_LIBS=""
AVAHI_CFLAGS=""
-AVAHI_GLIB_CFLAGS=""
-AVAHI_GLIB_LIBS=""
AC_ARG_ENABLE([avahi],
[AS_HELP_STRING([--disable-avahi], [Disable DNS Service Discovery support using Avahi.])],
