Retire git-check-files documentation too.

Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git-check-files.txt

@@ -1,50 +0,0 @@
-git-check-files(1)
-==================
-v0.1, May 2005
-
-NAME
-----
-git-check-files - Verify a list of files are up-to-date
-
-
-
-SYNOPSIS
---------
-'git-check-files' <file>...
-
-DESCRIPTION
------------
-Check that a list of files are up-to-date between the filesystem and
-the cache. Used to verify a patch target before doing a patch.
-
-Files that do not exist on the filesystem are considered up-to-date
-(whether or not they are in the cache).
-
-Emits an error message on failure:
-
-preparing to update existing file <file> not in cache::
-	  <file> exists but is not in the cache
-
-preparing to update file <file> not uptodate in cache::
-	  <file> on disk is not up-to-date with the cache
-
-Exits with a status code indicating success if all files are
-up-to-date.
-
-See Also
---------
-link:git-update-cache.html[git-update-cache]
-
-
-Author
-------
-Written by Linus Torvalds <torvalds@osdl.org>
-
-Documentation
---------------
-Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>.
-
-GIT
----
-Part of the link:git.html[git] suite
-