staging/lustre: remove empty file lustre/ptlrpc/nrs_orr.c

It is used by server only and we had it emptied with coan.
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ptlrpc/nrs_orr.c

-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License version 2 for more details.  A copy is
- * included in the COPYING file that accompanied this code.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * GPL HEADER END
- */
-/*
- * Copyright (c) 2011 Intel Corporation
- *
- * Copyright 2012 Xyratex Technology Limited
- */
-/*
- * lustre/ptlrpc/nrs_orr.c
- *
- * Network Request Scheduler (NRS) ORR and TRR policies
- *
- * Request scheduling in a Round-Robin manner over backend-fs objects and OSTs
- * respectively
- *
- * Author: Liang Zhen <liang@whamcloud.com>
- * Author: Nikitas Angelinas <nikitas_angelinas@xyratex.com>
- */