vendor: remove moved cni/pkg/... libraries

vendor/github.com/containernetworking/cni/pkg/utils/utils.go

@@ -1,41 +0,0 @@
-// Copyright 2016 CNI authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package utils
-
-import (
-	"crypto/sha512"
-	"fmt"
-)
-
-const (
-	maxChainLength = 28
-	chainPrefix    = "CNI-"
-	prefixLength   = len(chainPrefix)
-)
-
-// Generates a chain name to be used with iptables.
-// Ensures that the generated chain name is exactly
-// maxChainLength chars in length
-func FormatChainName(name string, id string) string {
-	chainBytes := sha512.Sum512([]byte(name + id))
-	chain := fmt.Sprintf("%s%x", chainPrefix, chainBytes)
-	return chain[:maxChainLength]
-}
-
-// FormatComment returns a comment used for easier
-// rule identification within iptables.
-func FormatComment(name string, id string) string {
-	return fmt.Sprintf("name: %q id: %q", name, id)
-}