Delete bundled copy of NSS and replace with README.

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

Index: nss/lib/libpkix/pkix/checker/pkix_signaturechecker.h
diff --git a/nss/lib/libpkix/pkix/checker/pkix_signaturechecker.h b/nss/lib/libpkix/pkix/checker/pkix_signaturechecker.h
deleted file mode 100755
index ccfb578579bb926a06e6a6c42f3382726e8cb11d..0000000000000000000000000000000000000000
--- a/nss/lib/libpkix/pkix/checker/pkix_signaturechecker.h
+++ /dev/null
@@ -1,44 +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_signaturechecker.h
- *
- * Header file for validate signature function
- *
- */
-
-#ifndef _PKIX_SIGNATURECHECKER_H
-#define _PKIX_SIGNATURECHECKER_H
-
-#include "pkix_tools.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct pkix_SignatureCheckerState pkix_SignatureCheckerState;
-
-struct pkix_SignatureCheckerState {
-        PKIX_Boolean prevCertCertSign;
-        PKIX_UInt32 certsRemaining;
-        PKIX_PL_PublicKey *prevPublicKey; /* Subject PubKey of last cert */
-        PKIX_List *prevPublicKeyList; /* of PKIX_PL_PublicKey */
-        PKIX_PL_OID *keyUsageOID;
-};
-
-PKIX_Error *
-pkix_SignatureChecker_Initialize(
-        PKIX_PL_PublicKey *trustedPubKey,
-        PKIX_UInt32 certsRemaining,
-        PKIX_CertChainChecker **pChecker,
-        void *plContext);
-
-PKIX_Error *
-pkix_SignatureCheckerState_RegisterSelf(void *plContext);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _PKIX_SIGNATURECHECKER_H */