[clang] [clang-tools-extra] Revert "✨ [Sema, Lex, Parse] Preprocessor embed in C and C++ (and Obj-C and Obj-C++ by-proxy)" (PR #95299)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

I guess I will proceed with revert, I don't know meaning that failed assert in the test, and expected ownership of EmbedAnnotationData is not clear to me.

https://github.com/llvm/llvm-project/pull/95299