[libcxx-commits] [libcxx] [libc++] Remove macros for keeping std::allocator members and void specialization after C++20 (PR #85806)

[Ilya Biryukov via libcxx-commits]

================
@@ -1,51 +0,0 @@
-//===----------------------------------------------------------------------===//
----------------
ilya-biryukov wrote:

Restored the file, changed it to run in pre-C++20 modes (and all the other deleted files too)

https://github.com/llvm/llvm-project/pull/85806