[Chapel Merge] Revert the countDeadModules test

Branch: refs/heads/main
Revision: bf4dbfe
Author: e-kayrakli
Link: Unavailable
Log Message:

Merge pull request #20354 from e-kayrakli/deadModule-test-fix

Revert the countDeadModules test

I bumped up the number this test reports earlier in my work, but then, the
subsequent changes might have stopped the Communication module from being
used/eliminated. This PR reverts the count.

[Trivial, not reviewed]

Test passes with this PR.

Modified Files:
M test/optimizations/deadCodeElimination/elliot/countDeadModules.good

Compare: https://github.com/chapel-lang/chapel/compare/95b7ac942392...bf4dbfed4159