Delete bundled copy of NSS and replace with README.

nspr/pr/src/misc/prrng.c

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "primpl.h"
-
-/*
- * We were not including <string.h> in optimized builds.  On AIX this
- * caused libnspr4.so to export memcpy and some binaries linked with
- * libnspr4.so resolved their memcpy references with libnspr4.so.  To
- * be backward compatible with old libnspr4.so binaries, we do not
- * include <string.h> in optimized builds for AIX.  (bug 200561)
- */
-#if !(defined(AIX) && !defined(DEBUG))
-#include <string.h>
-#endif
-
-PRSize _pr_CopyLowBits( 
-    void *dst, 
-    PRSize dstlen, 
-    void *src, 
-    PRSize srclen )
-{
-    if (srclen <= dstlen) {
-        memcpy(dst, src, srclen);
-            return srclen;
-    }
-#if defined IS_BIG_ENDIAN
-    memcpy(dst, (char*)src + (srclen - dstlen), dstlen);
-#else
-    memcpy(dst, src, dstlen);
-#endif
-    return dstlen;
-}    
-
-PR_IMPLEMENT(PRSize) PR_GetRandomNoise( 
-    void    *buf,
-    PRSize  size
-)
-{
-    return( _PR_MD_GET_RANDOM_NOISE( buf, size ));
-} /* end PR_GetRandomNoise() */
-/* end prrng.c */