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

[via llvm-commits]

lhames 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?

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