Revert "Make ::DBI::Auth::Roles use Python implementation"
Revert "Make ::DBI::Auth::Roles use Python implementation"

This reverts commit 5676078de76fa728f5abe09e46194d7305e9df7e.

berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud,berkmancenter/mediacloud