[clang] [llvm] [clang][ssaf][NFC] Move SSAF from Analysis/Scalable/ to ScalableStaticAnalysisFramework/ (PR #186156)

[Balázs Benics via cfe-commits]

steakhal wrote:

@aviralg @jkorous-apple I decided to NOT touch the `clang/test/Analysis/Scalable`, because I figured it's not worth the effort renaming the directory to `clang/test/Analysis/ScalableStaticAnalysisFramework`. Everything else should be well-ported.

https://github.com/llvm/llvm-project/pull/186156