[clang-tools-extra] [clang-tidy] Extend `modernize-type-traits` to fold remove_cv_t<remove_reference_t<...>> into remove_cv_ref_t (PR #204789)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang-tools-extra/test/clang-tidy/checkers/modernize/type-traits-remove-cvref.cpp clang-tools-extra/clang-tidy/modernize/TypeTraitsCheck.cpp --diff_from_common_commit
``````````

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changing `origin/main` to the base branch/commit you want to compare against.
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View the diff from clang-format here.
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``````````diff
diff --git a/clang-tools-extra/clang-tidy/modernize/TypeTraitsCheck.cpp b/clang-tools-extra/clang-tidy/modernize/TypeTraitsCheck.cpp
index 6264a4947..ee9f9015e 100644
--- a/clang-tools-extra/clang-tidy/modernize/TypeTraitsCheck.cpp
+++ b/clang-tools-extra/clang-tidy/modernize/TypeTraitsCheck.cpp
@@ -326,11 +326,10 @@ void TypeTraitsCheck::check(const MatchFinder::MatchResult &Result) {
   if (const auto *TSTL = Result.Nodes.getNodeAs<TemplateSpecializationTypeLoc>(
           "remove_cvref")) {
     auto Diag = diag(TSTL->getBeginLoc(), "use c++20 type alias");
-    auto OuterTL =
-        TSTL->getArgLoc(0)
-            .getTypeSourceInfo()
-            ->getTypeLoc()
-            .castAs<TemplateSpecializationTypeLoc>();
+    auto OuterTL = TSTL->getArgLoc(0)
+                       .getTypeSourceInfo()
+                       ->getTypeLoc()
+                       .castAs<TemplateSpecializationTypeLoc>();
     Diag << FixItHint::CreateReplacement(
                 SourceRange(TSTL->getBeginLoc(), OuterTL.getLAngleLoc()),
                 "std::remove_cvref_t<")

``````````

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https://github.com/llvm/llvm-project/pull/204789