Migrate Sirupsen to sirupsen.

vendor/github.com/docker/go-connections/tlsconfig/certpool_go17.go

@@ -5,8 +5,6 @@ package tlsconfig
 import (
 	"crypto/x509"
 	"runtime"
-
-	"github.com/Sirupsen/logrus"
 )
 
 // SystemCertPool returns a copy of the system cert pool,
@@ -14,7 +12,6 @@ import (
 func SystemCertPool() (*x509.CertPool, error) {
 	certpool, err := x509.SystemCertPool()
 	if err != nil && runtime.GOOS == "windows" {
-		logrus.Infof("Unable to use system certificate pool: %v", err)
 		return x509.NewCertPool(), nil
 	}
 	return certpool, err

vendor/github.com/docker/go-connections/tlsconfig/certpool_other.go

@@ -5,12 +5,10 @@ package tlsconfig
 import (
 	"crypto/x509"
 
-	"github.com/Sirupsen/logrus"
 )
 
 // SystemCertPool returns an new empty cert pool,
 // accessing system cert pool is supported in go 1.7
 func SystemCertPool() (*x509.CertPool, error) {
-	logrus.Warn("Unable to use system certificate pool: requires building with go 1.7 or later")
 	return x509.NewCertPool(), nil
 }

vendor/github.com/docker/go-connections/tlsconfig/config.go

@@ -13,7 +13,6 @@ import (
 	"io/ioutil"
 	"os"
 
-	"github.com/Sirupsen/logrus"
 	"github.com/pkg/errors"
 )
 
@@ -106,7 +105,6 @@ func certPool(caFile string, exclusivePool bool) (*x509.CertPool, error) {
 	if !certPool.AppendCertsFromPEM(pem) {
 		return nil, fmt.Errorf("failed to append certificates from PEM file: %q", caFile)
 	}
-	logrus.Debugf("Trusting %d certs", len(certPool.Subjects()))
 	return certPool, nil
 }