Update go dependencies and cleanup deprecated packages

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

@@ -13,6 +13,7 @@ go_library(
         "filesystem.go",
         "watcher.go",
     ],
+    importpath = "k8s.io/kubernetes/pkg/util/filesystem",
     deps = [
         "//vendor/github.com/fsnotify/fsnotify:go_default_library",
         "//vendor/github.com/spf13/afero:go_default_library",

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

@@ -62,6 +62,11 @@ func (DefaultFs) RemoveAll(path string) error {
 	return os.RemoveAll(path)
 }
 
+// Remove via os.RemoveAll
+func (DefaultFs) Remove(name string) error {
+	return os.Remove(name)
+}
+
 // ReadFile via ioutil.ReadFile
 func (DefaultFs) ReadFile(filename string) ([]byte, error) {
 	return ioutil.ReadFile(filename)

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

@@ -92,6 +92,11 @@ func (fs *fakeFs) RemoveAll(path string) error {
 	return fs.a.RemoveAll(path)
 }
 
+// Remove via afero.RemoveAll
+func (fs *fakeFs) Remove(name string) error {
+	return fs.a.Remove(name)
+}
+
 // fakeFile implements File; for use with fakeFs
 type fakeFile struct {
 	file afero.File

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

@@ -31,6 +31,7 @@ type Filesystem interface {
 	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)