[clang] [clang-tools-extra] [clang][AST][clang-tidy] Do not set a reduced traversal scope in ASTM… (PR #132725)

[Gábor Horváth via cfe-commits]

Xazax-hun wrote:

I think it might be cleaner if reverting the previous solution and introducing this new one would be two separate commits. 

https://github.com/llvm/llvm-project/pull/132725