[llvm] Revert "[CodeGen] Port SafeStack to new pass manager (#73747)" (PR #73965)

[via llvm-commits]

dyung wrote:

@rastogishubham This revert is causing 288 test failures on a Windows bot, can you take a look please? Perhaps there were follow up commits that needed to be reverted as well?

https://lab.llvm.org/buildbot/#/builders/216/builds/31173

https://github.com/llvm/llvm-project/pull/73965