partition_alloc: Use PA_CONSTEXPR_DTOR

Suggested by @mikt. Thanks!

Bug: None
Change-Id: I9e8d010d05bb5fd8432d8b5b6223d0643be934a5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5691571
Reviewed-by: Keishi Hattori <keishi@chromium.org>
Auto-Submit: Arthur Sonzogni <arthursonzogni@chromium.org>
Reviewed-by: Mikihito Matsuura <mikt@google.com>
Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1325365}
NOKEYCHECK=True
GitOrigin-RevId: 2f87db32cf445e974c5e5ab3a4a35aad31b0cdb4
1 file changed