[llvm] [unittests][IR] Fix VPIntrinsicTest after removal of trivial VP intrinsics (PR #219454)

[Luke Lau via llvm-commits]

https://github.com/lukel97 commented:

Thanks for fixing these. FWIW I'm hoping to remove most of the VPIntrinsic class so the intrinsics just become regular IntrinsicInsts. I think most of these can be expanded in plain-old SelectionDAG instead of ExpandVectorPredication.

https://github.com/llvm/llvm-project/pull/219454