deny.toml: remove obsolete skips related to rustix

[alerque]

The holdup on crossterm was bumped in d5258d2, bringing rustix to 0.38.44. Meanwhile while
linux-raw-sys is still at 0.4.15 in the lock file, it is unclear to my why it got added in 2c0f97f
in the first place as it does not seem to trigger any complaints from cargo deny.

[alerque]

Perhaps @cakebaker can remember why this was added, perhaps it was to cover something transient in dependencies of linux-raw-sys that have themselves since been bumped or a feature that is no longer used? That rustix is now bumped an this exclusion is obsolete makes sense, but I don't understand why linux-raw-sys is no longer triggering any complaints from cargo-deny if it ever was.

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)
Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

[cakebaker]

Somehow I don't understand why these two entries can be removed as we still have two versions of them in Cargo.lock :|

[alerque]

@cakebaker I agree, something is fishy. There are several things listed that don't make sense and some that are not that would seem to. It might have something to do with direct vs. transitive dependencies, but I can't make out what the rules actually are.

[cakebaker]

@alerque my guess is that it's because the "old" rustix version is only used by a platform-specific dev dependency and thus doesn't show up in the dependency graph constructed by cargo deny. Anyway, I created a PR to get rid of this dependency.

[alerque]

@cakebaker Does that mean there is a bug in cargo deny in that it isn't traversing everything it should, or should this project's CI include some extra runs that explicitly target platforms that are not currently getting checked?

[cakebaker]

@alerque it's difficult for me to say whether it's a bug or some configuration issue on our side :|