[clang] [clang] Remove unused local variables (NFC) (PR #138453)

[Balazs Benics via cfe-commits]

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@@ -361,15 +361,8 @@ TEST(CallDescription, AliasNames) {
       std::cont v;
       v.data();
     })code";
-  constexpr StringRef UseStructNameInSpelling = R"code(
-    void foo() {
-      std::container v;
-      v.data();
-    })code";
   const std::string UseAliasInSpellingCode =
       (Twine{AliasNamesCode} + UseAliasInSpelling).str();
-  const std::string UseStructNameInSpellingCode =
-      (Twine{AliasNamesCode} + UseStructNameInSpelling).str();
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steakhal wrote:

This test code left me wondering if this is dead because it's intended to test something or dead because we moved the relevant parts to other tests thus become dead.
I think it's safe to remove these lines.

https://github.com/llvm/llvm-project/pull/138453