remove useless hidden related stuff in amend
diff --git a/hgext/evolve.py b/hgext/evolve.py
--- a/hgext/evolve.py
+++ b/hgext/evolve.py
@@ -112,9 +112,6 @@ def rewrite(repo, old, updates, head, ne
repo._bookmarks[bm] = newid
bookmarks.write(repo)
- # hide obsolete csets
- repo.changelog.hiddeninit = False
-
# add evolution metadata
repo.addobsolete(new.node(), old.node())
for u in updates: