optimize deletePrefix, use direct set location via object name (#17827)

* optimize deletePrefix, use direct set location via object name

instead of fanning out the calls for an object force delete
we can assume the set location and not do fan-out calls

* Apply suggestions from code review

Co-authored-by: Krishnan Parthasarathi <krisis@users.noreply.github.com>

---------

Co-authored-by: Krishnan Parthasarathi <krisis@users.noreply.github.com>

cmd/config.go

@@ -97,7 +97,8 @@ func listServerConfigHistory(ctx context.Context, objAPI ObjectLayer, withData b
 func delServerConfigHistory(ctx context.Context, objAPI ObjectLayer, uuidKV string) error {
 	historyFile := pathJoin(minioConfigHistoryPrefix, uuidKV+kvPrefix)
 	_, err := objAPI.DeleteObject(ctx, minioMetaBucket, historyFile, ObjectOptions{
-		DeletePrefix: true,
+		DeletePrefix:       true,
+		DeletePrefixObject: true, // use prefix delete on exact object (this is an optimization to avoid fan-out calls)
 	})
 	return err
 }