Fix dependencies

vendor/github.com/prometheus/procfs/fs.go

@@ -1,43 +0,0 @@
-// Copyright 2018 The Prometheus 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 procfs
-
-import (
-	"github.com/prometheus/procfs/internal/fs"
-)
-
-// FS represents the pseudo-filesystem sys, which provides an interface to
-// kernel data structures.
-type FS struct {
-	proc fs.FS
-}
-
-// DefaultMountPoint is the common mount point of the proc filesystem.
-const DefaultMountPoint = fs.DefaultProcMountPoint
-
-// NewDefaultFS returns a new proc FS mounted under the default proc mountPoint.
-// It will error if the mount point directory can't be read or is a file.
-func NewDefaultFS() (FS, error) {
-	return NewFS(DefaultMountPoint)
-}
-
-// NewFS returns a new proc FS mounted under the given proc mountPoint. It will error
-// if the mount point directory can't be read or is a file.
-func NewFS(mountPoint string) (FS, error) {
-	fs, err := fs.NewFS(mountPoint)
-	if err != nil {
-		return FS{}, err
-	}
-	return FS{fs}, nil
-}