Never build gcc_personality_v0.c

[jakllsch]

Refs #29977

[rust-highfive]

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @brson (or someone else) soon.

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[alexcrichton]

Thanks for the PR! When combined with #35032 I don't think we actually need this any more, and this also broke freebsd, so could you try out just removing this file entirely? Could you also be sure to delete its reference from the makefiles as well?

[bors]

☔ The latest upstream changes (presumably #35004) made this pull request unmergeable. Please resolve the merge conflicts.

[alexcrichton]

Closing due to inactivity, but feel free to resubmit with a rebase!