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

[Thomas Preud'homme via llvm-commits]

RoboTux wrote:

> @RoboTux @weliveindetail I don't think that `argc_sub1_elf.ll` contains anything x86-64 specific -- what if we just removed the triple instead?

I tried but then it complains that there is no target "". Perhaps it's worth fixing orc to support an empty target.

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