fix lint

pkg/client/client.go

@@ -29,8 +29,10 @@ type Subject struct {
 	PostalCode    string
 }
 
+/*
 var (
 	subjectKeyId = []byte{1, 2, 3, 4, 6}
 	extKeyUsage  = []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth}
 	keyUsage     = x509.KeyUsageDigitalSignature
 )
+*/