Delete bundled copy of NSS and replace with README.

nss/lib/ckfw/ckfwtm.h

Index: nss/lib/ckfw/ckfwtm.h
diff --git a/nss/lib/ckfw/ckfwtm.h b/nss/lib/ckfw/ckfwtm.h
deleted file mode 100644
index 6702984634cbd42d8390cde2f39a249c2cb38177..0000000000000000000000000000000000000000
--- a/nss/lib/ckfw/ckfwtm.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/. */
-
-#ifndef CKFWTM_H
-#define CKFWTM_H
-
-/*
- * ckfwtm.h
- *
- * This file declares the module-private types of the NSS Cryptoki Framework.
- */
-
-#ifndef NSSBASET_H
-#include "nssbaset.h"
-#endif /* NSSBASET_H */
-
-struct nssCKFWHashStr;
-typedef struct nssCKFWHashStr nssCKFWHash;
-
-typedef void(PR_CALLBACK *nssCKFWHashIterator)(const void *key, void *value, void *closure);
-
-#endif /* CKFWTM_H */