Revert "s3: listObjectParts return ErrNoSuchUpload if does not exist"

This reverts commit 6cf2e7d493.

weed/s3api/filer_multipart.go

@@ -270,10 +270,6 @@ func (s3a *S3ApiServer) listObjectParts(input *s3.ListPartsInput) (output *ListP
 		glog.Errorf("listObjectParts %s %s error: %v", *input.Bucket, *input.UploadId, err)
 		return nil, s3err.ErrNoSuchUpload
 	}
-	if len(entries) == 0 {
-		glog.Errorf("listObjectParts %s %s not found", *input.Bucket, *input.UploadId)
-		return nil, s3err.ErrNoSuchUpload
-	}
 
 	output.IsTruncated = aws.Bool(!isLast)