[clang] [clang-format] revery to string << string handling back to previous default behaviour (PR #88490)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff ff9bc3a0fa4e3790c437e62450903bf399df37f9 1c11c3edd0005a729561d84b9a815279b356e8db -- clang/include/clang/Format/Format.h clang/lib/Format/Format.cpp clang/lib/Format/TokenAnnotator.cpp clang/unittests/Format/ConfigParseTest.cpp clang/unittests/Format/FormatTest.cpp
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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 566bc9b472..5e5583bf4b 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -27398,4 +27398,3 @@ TEST_F(FormatTest, BreakAdjacentStringLiterals) {
 } // namespace test
 } // namespace format
 } // namespace clang
-                    

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https://github.com/llvm/llvm-project/pull/88490