bookmark: remove a useless 'recordchange' in the amend code

We do not touch the bookmarks store in this code, just the active bookmark, not
covered by the transaction. So it seems we can safely drop this call and the
tests agree with us.

mercurial/cmdutil.py

@@ -2750,7 +2750,7 def amend(ui, repo, commitfunc, old, ext
     base = old.p1()
 
     newid = None
-    with repo.wlock(), repo.lock(), repo.transaction('amend') as tr:
+    with repo.wlock(), repo.lock(), repo.transaction('amend'):
         # See if we got a message from -m or -l, if not, open the editor
         # with the message of the changeset to amend
         message = logmessage(ui, opts)
@@ -2768,7 +2768,6 def amend(ui, repo, commitfunc, old, ext
             node = commit(ui, repo, commitfunc, pats, opts)
         finally:
             repo._bookmarks.active = activebookmark
-            repo._bookmarks.recordchange(tr)
             ui.callhooks = True
         ctx = repo[node]