UBUNTU: SAUCE: Remove IXP4xx NPE firmware files

These files are not properly documented in WHENCE.ubuntu, and
upon inpsection they aren't needed as ARCH_IXP4XX is disabled
in the Ubuntu kernel configs.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>

LICENCE.NPE

-There is no single upstream source for this package. IxNpeMicrocode.h was
-downloaded from http://git.hohnstaedt.de/ixp_npe/ , and the microdoe itself
-from http://downloadcenter.intel.com/ (search for 
-"IPL_ixp400NpeLibrary-2_4.zip").
-
-Files: IxNpeMicrocode.h
-Copyright: (C) 2006 Christian Hohnstaedt <chohnstaedt@innominate.com>
-License: GPL-2 | other
- As a special exception, this program may be linked with Intel's
- IXP400 NPE Microcode Image file (IxNpeMicrocode.c), despite that
- file's more restrictive license.
-
-Files: IPL_ixp400NpeLibrary-2_4.zip
-Copyright: c) 2007, Intel Corporation
-License: other
-  INTEL(R) SOFTWARE LICENSE AGREEMENT
- .
-  Copyright (c) 2007, Intel Corporation.
-  All rights reserved.
- .
-  Redistribution. Redistribution and use in binary form, without modification, are permitted
-  provided that the following conditions are met:
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-  documentation and/or other materials provided with the distribution.
-  o Neither the name of Intel Corporation nor the names of its suppliers may be used to endorse
-  or promote products derived from this software without specific prior written permission.
-  o No reverse engineering, decompilation, or disassembly of this software is permitted.
- .
-  Limited patent license. Intel Corporation grants a world-wide, royalty-free, non-exclusive
-  license under patents it now or hereafter owns or controls to make, have made, use, import,
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-  necessary to Utilize the software alone. The patent license shall not apply to any combinations
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-
-Files: debian/*
-Copyright: 2008 Joey Hess <joeyh@debian.org>
-License: GPL-2+
- On Debian systems, the complete text of the GPL can be found in
- /usr/share/common-licenses/GPL.