[libc-commits] [libc] [libc] Clean up copt naming (PR #136274)

[Mohamed Emad via libc-commits]

hulxv wrote:

@michaelrj-google Should I rename them also in [`baremetal`](https://github.com/llvm/llvm-project/blob/827f2ad64394bdcafabc58133c4b8258f728763c/libc/config/baremetal/config.json), [`amdgpu`](https://github.com/llvm/llvm-project/blob/827f2ad64394bdcafabc58133c4b8258f728763c/libc/config/amdgpu/config.json), and [`nvptx`](https://github.com/llvm/llvm-project/blob/827f2ad64394bdcafabc58133c4b8258f728763c/libc/config/nvptx/config.json) ?

https://github.com/llvm/llvm-project/pull/136274