Delete bundled copy of NSS and replace with README.

nss/lib/libpkix/pkix/top/pkix_lifecycle.h

Index: nss/lib/libpkix/pkix/top/pkix_lifecycle.h
diff --git a/nss/lib/libpkix/pkix/top/pkix_lifecycle.h b/nss/lib/libpkix/pkix/top/pkix_lifecycle.h
deleted file mode 100755
index 02631229cb128500c4171f2bef350345c4c3923a..0000000000000000000000000000000000000000
--- a/nss/lib/libpkix/pkix/top/pkix_lifecycle.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* 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/. */
-/*
- * pkix_lifecycle.h
- *
- * Header file for initialize and shutdown functions.
- *
- */
-
-#ifndef _PKIX_LIFECYCLE_H
-#define _PKIX_LIFECYCLE_H
-#include "pkix_tools.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _PKIX_LIFECYCLE_H */