Revert "[GWP-ASan] Add aligned allocations."

This reverts commit 9dc06762470cb5a6cde8de5833cb75262e1bacb0.

Should not have been committed, was a bad rebase. Review still
continuing on D94830.

GitOrigin-RevId: 0dcf3324cfb4429e85b54e857f9bb86f423ffc5e
12 files changed