Remove two non-vendor files as recommended.

Approved by:	delphij (mentor)

FREEBSD-Xlist

@@ -1,37 +0,0 @@
-$FreeBSD$
-*/*/*/Makefile.*
-*/*/Makefile.*
-*/.gitignore
-*/Makefile.*
-.git
-.gitignore
-ABOUT-NLS
-COPYING.GPLv2
-COPYING.GPLv3
-COPYING.LGPLv2.1
-Doxyfile.in
-INSTALL
-INSTALL.generic
-Makefile
-Makefile.*
-NEWS
-PACKAGERS
-aclocal.m4
-autogen.sh
-build-aux/
-config.h.in
-configure
-configure.ac
-debug/
-doc/
-dos/
-extra/
-lib/
-m4/
-makefile.am
-src/*/*.rc
-src/liblzma/liblzma.pc.in
-src/scripts/
-tests/
-version.sh
-windows/

FREEBSD-upgrade

@@ -1,28 +0,0 @@
-$FreeBSD$
-
-xz
-
-The source code is pulled with git:
-
-	git clone git://ctrl.tukaani.org/xz.git xz
-
-ChangeLog is generated with:
-	
-	git log > ChangeLog
-
-For the import files and directories were pruned by:
-	
-sh -c 'for F in `cat FREEBSD-Xlist | grep -v FreeBSD`; do rm -rf ./$F ; done'
-
-You may check if there are any new files that we don't need.
-
-The instructions for importing new release and merging to HEAD can be found
-at FreeBSD wiki:
-
-	http://wiki.freebsd.org/SubversionPrimer/VendorImports
-
-To make local changes to xz, simply patch and commit to the trunk
-branch (aka HEAD).  Never make local changes on the vendor branch.
-
-mm@FreeBSD.org
-10-May-2010