remove dead code

weed/command/mount_linux.go

@@ -6,8 +6,6 @@ import (
 	"io"
 	"os"
 	"strings"
-
-	"github.com/seaweedfs/fuse"
 )
 
 const (
@@ -137,10 +135,6 @@ func parseInfoFile(r io.Reader) ([]*Info, error) {
 	return out, nil
 }
 
-func osSpecificMountOptions() []fuse.MountOption {
-	return []fuse.MountOption{}
-}
-
 func checkMountPointAvailable(dir string) bool {
 	mountPoint := dir
 	if mountPoint != "/" && strings.HasSuffix(mountPoint, "/") {