remove volumeoptions from VolumePlugin and BlockVolumePlugin

pkg/volume/nfs/nfs_test.go

@@ -269,7 +269,7 @@ func TestPersistentClaimReadOnlyFlag(t *testing.T) {
 	// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
 	spec := volume.NewSpecFromPersistentVolume(pv, true)
 	pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
-	mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
+	mounter, _ := plug.NewMounter(spec, pod)
 	if mounter == nil {
 		t.Fatalf("Got a nil Mounter")
 	}