Revert "Bibtex: Don't include volumeTitle when == containerTitle."

This reverts commit ce4b61eb69b1c61d2c83e584b86a701f74a19586.

This is not the correct approach.
Revert "Bibtex:  Don't include containerTitle if == title."

This reverts commit 32e6400e9a7c2a1d496bd93a8aa63e7292abb16e.