remove schema which was used for component match testing

servers/slapd/schema/test.schema

-# OpenLDAP Component Matching schema for testing
-# $OpenLDAP$
-## This work is part of OpenLDAP Software <http://www.openldap.org/>.
-##
-## Copyright 1998-2004 The OpenLDAP Foundation.
-## All rights reserved.
-##
-## Redistribution and use in source and binary forms, with or without
-## modification, are permitted only as authorized by the OpenLDAP
-## Public License.
-##
-## A copy of this license is available in the file LICENSE in the
-## top-level directory of the distribution or, alternatively, at
-## <http://www.OpenLDAP.org/license.html>.
-#
-