readme: remove some duplicated entries
Those changes where backported to 3.3.2.
--- a/README Mon May 19 12:43:03 2014 -0700
+++ b/README Mon May 19 12:44:30 2014 -0700
@@ -50,10 +50,7 @@
4.0.0 --
- deprecated `gup` and `gdown` in favor of prev and next
-- dropped compatibility to `latercomer` and `conflicting` alias for bumped and
- divergent.
- record parent of pruned parent at prune time
-- fold: enable --date and --user options
- added a `debugobsstorestat` command to gather data on obsmarker content.
- added a `debugrecordpruneparents` command to upgrade existing prune marker
with parent information. Please run it once per repo after upgrading.