[libc-commits] [libc] [libc] Fix modular printf attributes (PR #194003)

[Daniel Thornburgh via libc-commits]

mysterymath wrote:

The compiler intended to infer the format attribute for standard libc functions; there's no need to place it explicitly, and it might be counter-productive.

You did find an issue though; the `LIBC_CONF_MODULAR_FORMAT` reference was stale, and it should be `LIBC_CONF_PRINTF_MODULAR`

https://github.com/llvm/llvm-project/pull/194003