[clang-tools-extra] [clang-tidy] Rename 'google-build-namespaces' check to 'misc-anonymous-namespace-in-header' and keep initial as alias. (PR #170986)

[Baranov Victor via cfe-commits]

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@@ -0,0 +1,14 @@
+.. title:: clang-tidy - anonymous-namespace-in-header
+
+anonymous-namespace-in-header
+=============================
+
+`cert-dcl59-cpp` redirects here as an alias for this check.
+`fuchsia-header-anon-namespaces` redirects here as an alias for this check.
+`google-build-namespaces` redirects here as an alias for this check.
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vbvictor wrote:

I think this is obsolete, we can remove these lines.

https://github.com/llvm/llvm-project/pull/170986