Stage a change in preparation to remove the Exodus-write hack.

Synchronization with Trilinos is necessary. I'm in the process of getting a
permanent fix into Trilinos and will back out the hack over the next couple of
days. Apologies in advance if I break some tests due to sync issues.
Back out Exodus-writing hack.

Remove the hack that ordered response function calls and Exodus file writes in
the LOCA-Thyra code path.

A commit to Trilinos fixes the problem on that end. There should be no ctest
problems due to sync issues, but LOCA-Thyra problems will not have response
functions called after each LOCA step until Trilinos and Albany are back in
sync.