Revert "std.Io.Threaded: work around parking futex bug"

This reverts commit 5312063138e787a09493e5f5affb5c8652b66dbc.
56a43fb86fMatthew Lugg committed on 2/3/2026, 10:38:28 PMparent184c8f9
1 file changedLine totals unavailable