[llvm] [Orc][examples] Fix lljit-with-remote-debugging test failure (PR #74764)

[Thomas Preud'homme via llvm-commits]

RoboTux wrote:

> 
> Stefan's change was to the testcase. I was proposing to change `LLJIT` itself, though now that I've taken a look I can see that it wouldn't have made a difference here: The testcase triple was being used to construct the target (via `JITTargetMachineBuilder`) and that's why the empty triple was causing a "no target" error. Normally the target is constructed using the `ExecutionSession`'s target triple, and LLVM optimizations and CodeGen will happily process a module with an empty triple.

Oh right, I didn't realize LLJITWithRemoteDebugging is a test only binary. My bad.

https://github.com/llvm/llvm-project/pull/74764