[Chapel Merge] Back out smoke-test failing change due to attempte

Branch: refs/heads/main
Revision: 87b90eb
Author: stonea
Log Message:

Merge pull request #18191 from stonea/backout_bugfix

Back out smoke-test failing change due to attempted fix of printchple…

Back out smoke-test failing change due to attempted fix of printchplenv bug when chpl is configured to use system llvm but system llvm is not in path.

Original (backed out fix) from: Ensure we give a better error message if llvm-config is not in path (attempt 2). by stonea · Pull Request #18179 · chapel-lang/chapel · GitHub