Revert "[libcxxabi] When built with ASan, __cxa_throw calls __asan_handle_no_return"

This reverts commit r312606 because it's causing an error on
libcxx-libcxxabi-x86_64-linux-ubuntu-asan bot.

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@312609 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed