[llvm] [libc] Refactor scanf reader to match printf (PR #66023)

[via llvm-commits]

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@@ -439,10 +442,6 @@ if(LLVM_LIBC_FULL_BUILD)
     libc.src.stdio.getc_unlocked
     libc.src.stdio.getchar
     libc.src.stdio.getchar_unlocked
-    libc.src.stdio.printf
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michaelrj-google wrote:

No. See line 130 in this file, it was just listed twice.

https://github.com/llvm/llvm-project/pull/66023