remove deprecated code

weed/operation/sync_volume.go

@@ -2,12 +2,8 @@ package operation
 
 import (
 	"context"
-	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
-	. "github.com/chrislusf/seaweedfs/weed/storage/types"
-	"github.com/chrislusf/seaweedfs/weed/util"
 	"google.golang.org/grpc"
-	"io"
 )
 
 func GetVolumeSyncStatus(server string, grpcDialOption grpc.DialOption, vid uint32) (resp *volume_server_pb.VolumeSyncStatusResponse, err error) {
@@ -22,40 +18,3 @@ func GetVolumeSyncStatus(server string, grpcDialOption grpc.DialOption, vid uint
 
 	return
 }
-
-func GetVolumeIdxEntries(server string, grpcDialOption grpc.DialOption, vid uint32, eachEntryFn func(key NeedleId, offset Offset, size uint32)) error {
-
-	return WithVolumeServerClient(server, grpcDialOption, func(client volume_server_pb.VolumeServerClient) error {
-		stream, err := client.VolumeSyncIndex(context.Background(), &volume_server_pb.VolumeSyncIndexRequest{
-			VolumeId: vid,
-		})
-		if err != nil {
-			return err
-		}
-
-		var indexFileContent []byte
-
-		for {
-			resp, err := stream.Recv()
-			if err == io.EOF {
-				break
-			}
-			if err != nil {
-				return fmt.Errorf("read index entries: %v", err)
-			}
-			indexFileContent = append(indexFileContent, resp.IndexFileContent...)
-		}
-
-		dataSize := len(indexFileContent)
-
-		for idx := 0; idx+NeedleEntrySize <= dataSize; idx += NeedleEntrySize {
-			line := indexFileContent[idx : idx+NeedleEntrySize]
-			key := BytesToNeedleId(line[:NeedleIdSize])
-			offset := BytesToOffset(line[NeedleIdSize : NeedleIdSize+OffsetSize])
-			size := util.BytesToUint32(line[NeedleIdSize+OffsetSize : NeedleIdSize+OffsetSize+SizeSize])
-			eachEntryFn(key, offset, size)
-		}
-
-		return nil
-	})
-}