fix out of date comment in commit_ts.c

When Who What
2022-08-09 01:02:24 Thomas Munro (macdice) Closed in commitfest 2022-09 with status: Committed
2022-08-09 01:02:24 Thomas Munro (macdice) Changed committer to macdice
2022-07-28 16:10:16 Nathan Bossart (bossartn) Changed authors to Nathan Bossart (bossartn)
2022-07-28 16:10:16 Nathan Bossart (bossartn) Changed targetversion to 16
2022-07-28 16:09:56 Nathan Bossart (bossartn) Attached mail thread 20220726173343.GA154110@nathanxps13
2022-07-28 16:09:56 Nathan Bossart (bossartn) Created patch record