clean unused function in file pkg/volume/projected/projected.go

pkg/volume/projected/projected.go

@@ -18,8 +18,6 @@ package projected
 
 import (
 	"fmt"
-	"sort"
-	"strings"
 
 	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
@@ -300,12 +298,6 @@ func (s *projectedVolumeMounter) collectData() (map[string]volumeutil.FileProjec
 	return payload, utilerrors.NewAggregate(errlist)
 }
 
-func sortLines(values string) string {
-	splitted := strings.Split(values, "\n")
-	sort.Strings(splitted)
-	return strings.Join(splitted, "\n")
-}
-
 type projectedVolumeUnmounter struct {
 	*projectedVolume
 }