Delete bundled copy of NSS and replace with README.

nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.h

Index: nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.h
diff --git a/nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.h b/nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.h
deleted file mode 100755
index 7a8b09c3793fec0fb8ce8398ae79549e6fa3a132..0000000000000000000000000000000000000000
--- a/nss/lib/libpkix/pkix/checker/pkix_basicconstraintschecker.h
+++ /dev/null
@@ -1,42 +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_basicconstraintschecker.h
- *
- * Header file for basic constraints checker.
- *
- */
-
-#ifndef _PKIX_BASICCONSTRAINTSCHECKER_H
-#define _PKIX_BASICCONSTRAINTSCHECKER_H
-
-#include "pkix_tools.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct pkix_BasicConstraintsCheckerStateStruct \
-        pkix_BasicConstraintsCheckerState;
-
-struct pkix_BasicConstraintsCheckerStateStruct{
-        PKIX_PL_OID *basicConstraintsOID;
-        PKIX_Int32 certsRemaining;
-        PKIX_Int32 maxPathLength;
-};
-
-PKIX_Error *
-pkix_BasicConstraintsChecker_Initialize(
-        PKIX_UInt32 numCerts,
-        PKIX_CertChainChecker **pChecker,
-        void *plContext);
-
-PKIX_Error *
-pkix_BasicConstraintsCheckerState_RegisterSelf(void *plContext);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _PKIX_BASICCONSTRAINTSCHECKER_H */