[Issue 3764] Remove Phobos workarounds for fixed bugs

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=3764

--- Comment #4 from Jack Stouffer <jack at jackstouffer.com> ---
(In reply to Andrei Alexandrescu from comment #2)
> Merged. Anything left? If not, please close this. Thanks!

When the commit message in a PR says that an issue is fixed, then the issue is
auto closed by github-bugzilla at puremagic.com

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