[llvm] [WebAssembly] remove instruction after builtin trap (PR #90207)

[Sam Clegg via llvm-commits]

sbc100 wrote:

> I think it's some LLVM validation that will fail, not WebAssembly validation.

If that was the case why wouldn't this pass also be needed for other targets?

https://github.com/llvm/llvm-project/pull/90207