Revert "std.c: freebsd add procctl exclusive x86_64 flags"

This reverts commit 3fb93fc8f2d3e755492a495fa69f65ae6615cab6.
70a7210e92Andrew Kelley committed on 7/31/2023, 6:17:20 PMparent1d4e6e6
1 file changedLine totals unavailable