revert some recent changes to RequestNamedLWLockTranche()

When Who What
2025-09-04 20:40:21 Nathan Bossart (bossartn) Closed in commitfest PG19-2 with status: Committed
2025-09-04 20:40:21 Nathan Bossart (bossartn) Moved from CF PG19-3 to CF PG19-2
2025-09-04 15:44:51 Nathan Bossart (bossartn) New status: Ready for Committer
2025-09-04 15:44:47 Nathan Bossart (bossartn) Added bossartn as committer
2025-09-04 15:44:40 Nathan Bossart (bossartn) Attached mail thread CAA5RZ0vvED3naph8My8Szv6DL4AxOVK3eTPS0qXsaKi=bVdW2A@mail.gmail.com
2025-09-04 15:44:40 Nathan Bossart (bossartn) Created patch record