This reverts commit 64c0bddb76.
This seems to run into errors on some buildbots; configure errors
out like this:
-- Looking for _Unwind_RaiseException in unwind
-- Looking for _Unwind_RaiseException in unwind - not found
CMake Error at /usr/share/cmake-3.25/Modules/CheckLibraryExists.cmake:71 (try_compile):
Only libraries may be used as try_compile or try_run IMPORTED
LINK_LIBRARIES. Got unwind of type UTILITY.
Call Stack (most recent call first):
/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/compiler-rt/cmake/config-ix.cmake:66 (check_library_exists)
/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/compiler-rt/CMakeLists.txt:281 (include)