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

vendor/k8s.io/kubernetes/pkg/util/filesystem/filesystem.go

@@ -1,52 +0,0 @@
-/*
-Copyright 2017 The Kubernetes 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 filesystem
-
-import (
-	"os"
-	"path/filepath"
-	"time"
-)
-
-// Filesystem is an interface that we can use to mock various filesystem operations
-type Filesystem interface {
-	// from "os"
-	Stat(name string) (os.FileInfo, error)
-	Create(name string) (File, error)
-	Rename(oldpath, newpath string) error
-	MkdirAll(path string, perm os.FileMode) error
-	Chtimes(name string, atime time.Time, mtime time.Time) error
-	RemoveAll(path string) error
-	Remove(name string) error
-
-	// from "io/ioutil"
-	ReadFile(filename string) ([]byte, error)
-	TempDir(dir, prefix string) (string, error)
-	TempFile(dir, prefix string) (File, error)
-	ReadDir(dirname string) ([]os.FileInfo, error)
-	Walk(root string, walkFn filepath.WalkFunc) error
-}
-
-// File is an interface that we can use to mock various filesystem operations typically
-// accessed through the File object from the "os" package
-type File interface {
-	// for now, the only os.File methods used are those below, add more as necessary
-	Name() string
-	Write(b []byte) (n int, err error)
-	Sync() error
-	Close() error
-}