[llvm] [llvm] Disable HandleLLVMOptions in runtimes mode (PR #73031)

[Louis Dionne via llvm-commits]

ldionne wrote:

The problem is that we don't install a linker script for `libc++.so` in that case, since `LLVM_HAVE_LINK_VERSION_SCRIPT` is not detected properly. I'm working on a patch to fix that, I was able to reproduce locally in our Docker image.

https://github.com/llvm/llvm-project/pull/73031