[llvm] [VPlan] Replace VPTypeAnalysis with VPValue::getScalarType. (NFC) (PR #200256)

[Luke Lau via llvm-commits]

https://github.com/lukel97 commented:

LGTM, I'm just testing this on llvm-test-suite in some configurations and will let you know if anything comes up

https://github.com/llvm/llvm-project/pull/200256