[clang-tools-extra] [clang-tidy] Teach `modernize-deprecated-headers` about more no-op headers (PR #165674)

[Baranov Victor via cfe-commits]

================
@@ -3,12 +3,55 @@
 modernize-deprecated-headers
 ============================
 
-Some headers from C library were deprecated in C++ and are no longer welcome in
-C++ codebases. Some have no effect in C++. For more details refer to the C++14
-Standard [depr.c.headers] section.
----------------
vbvictor wrote:

Could we still mention "[depr.c.headers]" section somewhere?

https://github.com/llvm/llvm-project/pull/165674