remove adaptive spins_per_delay code

When Who What
2024-11-03 15:15:46 Nathan Bossart (bossartn) Closed in commitfest 2024-11 with status: Withdrawn
2024-10-03 20:53:04 Nathan Bossart (bossartn) Closed in commitfest 2024-09 with status: Moved to next CF
2024-08-27 21:07:11 Nathan Bossart (bossartn) Changed authors to Nathan Bossart (bossartn)
2024-08-27 21:07:11 Nathan Bossart (bossartn) Changed targetversion to 18
2024-08-27 21:07:04 Nathan Bossart (bossartn) Attached mail thread Zs37z9t4KD94H9BE@nathan
2024-08-27 21:07:04 Nathan Bossart (bossartn) Created patch record