- Drop AlmaLinux ahead-of-RHEL rtmutex remove_waiter() fixes (1445, 1446),
superseded by RHEL's CVE-2026-43499 copies in 211.33.1
- Add RHEL 211.33.1 backports recreated from CS10/upstream (1451-1455),
including the futex/requeue guard and its same-release revert (net zero,
kept for changelog fidelity)