[llvm] [IR] Remove options to make scalable TypeSize access a warning (PR #156336)

[Nikita Popov via llvm-commits]

nikic wrote:

I believe the buildbot changes should be deployed now (though the buildbots are broken for an unrelated reason). We can revert this if I'm wrong about that...

https://github.com/llvm/llvm-project/pull/156336