Delete bundled copy of NSS and replace with README.

nspr/pr/include/md/_pcos.h

Index: nspr/pr/include/md/_pcos.h
diff --git a/nspr/pr/include/md/_pcos.h b/nspr/pr/include/md/_pcos.h
deleted file mode 100644
index 3b4f2054fa50c3c42c8fa5c3a7aeb2315d3223e0..0000000000000000000000000000000000000000
--- a/nspr/pr/include/md/_pcos.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* -*- 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/. */
-
-#ifndef prpcos_h___
-#define prpcos_h___
-
-#define PR_DLL_SUFFIX		".dll"
-
-#include <stdlib.h>
-
-#define DIRECTORY_SEPARATOR         '\\'
-#define DIRECTORY_SEPARATOR_STR     "\\"
-#define PATH_SEPARATOR              ';'
-
-/*
-** Routines for processing command line arguments
-*/
-PR_BEGIN_EXTERN_C
-#ifndef XP_OS2
-extern char *optarg;
-extern int optind;
-extern int getopt(int argc, char **argv, char *spec);
-#endif
-PR_END_EXTERN_C
-
-
-/*
-** Definitions of directory structures amd functions
-** These definitions are from:
-**      <dirent.h>
-*/
-#ifdef XP_OS2
-#include <sys/types.h>
-#endif
-#include <sys/stat.h>
-#include <io.h>
-#include <fcntl.h>          /* O_BINARY */
-
-#ifdef OS2
-extern PRStatus _MD_OS2GetHostName(char *name, PRUint32 namelen);
-#define _MD_GETHOSTNAME _MD_OS2GetHostName
-#else
-extern PRStatus _MD_WindowsGetHostName(char *name, PRUint32 namelen);
-#define _MD_GETHOSTNAME _MD_WindowsGetHostName
-extern PRStatus _MD_WindowsGetSysInfo(PRSysInfo cmd, char *name, PRUint32 namelen);
-#define _MD_GETSYSINFO _MD_WindowsGetSysInfo
-#endif
-
-#endif /* prpcos_h___ */