Update to kube v1.17

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

vendor/github.com/go-openapi/swag/net.go

@@ -1,38 +0,0 @@
-// Copyright 2015 go-swagger maintainers
-//
-// 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 swag
-
-import (
-	"net"
-	"strconv"
-)
-
-// SplitHostPort splits a network address into a host and a port.
-// The port is -1 when there is no port to be found
-func SplitHostPort(addr string) (host string, port int, err error) {
-	h, p, err := net.SplitHostPort(addr)
-	if err != nil {
-		return "", -1, err
-	}
-	if p == "" {
-		return "", -1, &net.AddrError{Err: "missing port in address", Addr: addr}
-	}
-
-	pi, err := strconv.Atoi(p)
-	if err != nil {
-		return "", -1, err
-	}
-	return h, pi, nil
-}