vendor cleanup: remove unused,non-go and test files

vendor/golang.org/x/crypto/pkcs12/safebags.go

@@ -1,57 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package pkcs12
-
-import (
-	"crypto/x509"
-	"encoding/asn1"
-	"errors"
-)
-
-var (
-	// see https://tools.ietf.org/html/rfc7292#appendix-D
-	oidCertTypeX509Certificate = asn1.ObjectIdentifier([]int{1, 2, 840, 113549, 1, 9, 22, 1})
-	oidPKCS8ShroundedKeyBag    = asn1.ObjectIdentifier([]int{1, 2, 840, 113549, 1, 12, 10, 1, 2})
-	oidCertBag                 = asn1.ObjectIdentifier([]int{1, 2, 840, 113549, 1, 12, 10, 1, 3})
-)
-
-type certBag struct {
-	Id   asn1.ObjectIdentifier
-	Data []byte `asn1:"tag:0,explicit"`
-}
-
-func decodePkcs8ShroudedKeyBag(asn1Data, password []byte) (privateKey interface{}, err error) {
-	pkinfo := new(encryptedPrivateKeyInfo)
-	if err = unmarshal(asn1Data, pkinfo); err != nil {
-		return nil, errors.New("pkcs12: error decoding PKCS#8 shrouded key bag: " + err.Error())
-	}
-
-	pkData, err := pbDecrypt(pkinfo, password)
-	if err != nil {
-		return nil, errors.New("pkcs12: error decrypting PKCS#8 shrouded key bag: " + err.Error())
-	}
-
-	ret := new(asn1.RawValue)
-	if err = unmarshal(pkData, ret); err != nil {
-		return nil, errors.New("pkcs12: error unmarshaling decrypted private key: " + err.Error())
-	}
-
-	if privateKey, err = x509.ParsePKCS8PrivateKey(pkData); err != nil {
-		return nil, errors.New("pkcs12: error parsing PKCS#8 private key: " + err.Error())
-	}
-
-	return privateKey, nil
-}
-
-func decodeCertBag(asn1Data []byte) (x509Certificates []byte, err error) {
-	bag := new(certBag)
-	if err := unmarshal(asn1Data, bag); err != nil {
-		return nil, errors.New("pkcs12: error decoding cert bag: " + err.Error())
-	}
-	if !bag.Id.Equal(oidCertTypeX509Certificate) {
-		return nil, NotImplementedError("only X509 certificates are supported")
-	}
-	return bag.Data, nil
-}