Ifpack2: Remove Unused Parameter Warnings

Created by: jmgate

@trilinos/ifpack2

Description

Compiling Trilinos with gcc-7.2.0 yields quite a number of unused parameter warnings. This PR comments out parameter names in function definitions to avoid those warnings.

Motivation and Context

Just trying to get closer to a clean build.

How Has This Been Tested?

Ifpack2 still builds just fine. Letting the @trilinos-autotester do its thing.

Additional Information

These changes were made via a script I wrote. I've looked over them, but something might've gone wrong that I didn't catch.