Remove usages of classinfo in favor of typeid

[Geod24]

See dlang/dmd#11033

[dlang-bot]

Thanks for your pull request, @Geod24!

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Testing this PR locally

If you don't have a local development environment setup, you can use Digger to test this PR:

dub run digger -- build "master + phobos#7445"

[RazvanN7]

@Geod24 What are your plans with this PR? It is currently failing the tests.