[llvm] [MemProf][NFC] remove unneeded TypeSize in InterestingMemoryAccess (PR #79244)

[Teresa Johnson via llvm-commits]

teresajohnson wrote:

> BTW, we also add declarations for `__memprof_loadN` and `__memprof_storeN` in instrumentation, but not implement them in runtime. Not sure if we should implement them in memprof_interface_internal.h or just remove the declarations for `__memprof_loadN` and `__memprof_storeN` when do instrumentation.

Yeah this looks like leftover stuff carried over from Asan. I think that can also be removed from the instrumentation code. Thanks for the cleanup!

https://github.com/llvm/llvm-project/pull/79244