Remove an unused file.

Also remove a reference to it and two other files that have already
been removed in a script --- these files were problematic because they
weren't UTF-8.

Change-Id: Ibf597bac1903c34d8d0fe0a09615c42f24d4f23d
diff --git a/libc/bionic/hash.h b/libc/bionic/hash.h
deleted file mode 100644
index 3b483f1..0000000
--- a/libc/bionic/hash.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (c) 1999 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden). 
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- *
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- *
- * 3. Neither the name of KTH nor the names of its contributors may be
- *    used to endorse or promote products derived from this software without
- *    specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
- * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
-
-/* $Heimdal: hash.h,v 1.1 1999/03/22 19:16:25 joda Exp $
-   $NetBSD: hash.h,v 1.1.1.3 2002/09/12 12:41:42 joda Exp $ */
-
-/* stuff in common between md4, md5, and sha1 */
-
-#ifndef __hash_h__
-#define __hash_h__
-
-#include <stdlib.h>
-#include <string.h>
-
-#ifndef min
-#define min(a,b) (((a)>(b))?(b):(a))
-#endif
-
-/* Vector Crays doesn't have a good 32-bit type, or more precisely,
-   int32_t as defined by <bind/bitypes.h> isn't 32 bits, and we don't
-   want to depend in being able to redefine this type.  To cope with
-   this we have to clamp the result in some places to [0,2^32); no
-   need to do this on other machines.  Did I say this was a mess?
-   */
-
-#ifdef _CRAY
-#define CRAYFIX(X) ((X) & 0xffffffff)
-#else
-#define CRAYFIX(X) (X)
-#endif
-
-static inline u_int32_t
-cshift (u_int32_t x, unsigned int n)
-{
-    x = CRAYFIX(x);
-    return CRAYFIX((x << n) | (x >> (32 - n)));
-}
-
-#endif /* __hash_h__ */
diff --git a/libc/tools/generate-NOTICE.py b/libc/tools/generate-NOTICE.py
index 8cd75a3..3edc299 100755
--- a/libc/tools/generate-NOTICE.py
+++ b/libc/tools/generate-NOTICE.py
@@ -121,7 +121,6 @@
             try:
                 content = open(path, 'r').read().decode('utf-8')
             except:
-                # TODO: update hash.h, md5.c, and md5.h; upstream is probably UTF-8 already.
                 sys.stderr.write('warning: bad UTF-8 in %s\n' % path)
                 content = open(path, 'r').read().decode('iso-8859-1')