[clang-tools-extra] [llvm] [clang-tools-extra] Revise IDE folder structure (PR #89744)

[Piotr Zegar via cfe-commits]

PiotrZSL wrote:

> > For me this entire change doesn't make sense.
> 
> Could you elaborate on why?

This is basically names passed as FOLDER property are very generic. My main confusion where with clangTidyMiscModule  library, but as this is semi-redundant. Then this change is +- fine.

https://github.com/llvm/llvm-project/pull/89744