llvm-project

5ac97d39 - [gn] port 40c45b6b4318 more (rm clang-rename)

[gn] port 40c45b6b4318 more (rm clang-rename) 40c45b6b4318 already removed most traces of clang-rename from the GN build (thanks!), but it didn't delete the build file for unit tests.