[llvm] [Vectorize] Remove Transforms/Vectorize.h (PR #71294)

[Björn Pettersson via llvm-commits]

bjope wrote:

I happened to notice that there is a reference to the removed file in utils/bazel/llvm-project-overlay/llvm/BUILD.bazel as well. But I guess those bazel files still might be someone elses problem.

https://github.com/llvm/llvm-project/pull/71294