[llvm] [LoopInterchange] Remove 'S' Scalar Dependencies (PR #119345)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

Thanks for the review @Meinersbur , @kasuga-fj: this now no longer inserts 'S' into the dependency matrix, it should default to '*'.

https://github.com/llvm/llvm-project/pull/119345