[clang] [clang-tools-extra] [llvm] Remove clang-rename (PR #108988)

[Kirill Bobyrev via llvm-commits]

https://github.com/kirillbobyrev approved this pull request.

I agree, clang-rename should probably be removed. I haven't touched it in years and its usability has dropped over the last few years after I re-implemented the most useful functionality in clangd.

https://github.com/llvm/llvm-project/pull/108988