[clang] [git-clang-format] Don't format the line preceding a deletion (PR #215946)

[via cfe-commits]

llvmbot wrote:

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Failed to cherry-pick: fe0143b1a97484e10bc11b012ceb2c1ecd8bc38c

https://github.com/llvm/llvm-project/actions/runs/33337775990

Please manually backport the fix and push it to your github fork.  Once this is done, please create a [pull request](https://github.com/llvm/llvm-project/compare)

https://github.com/llvm/llvm-project/pull/215946