Don't count older classifications twice (#4526)
Don't count older classifications twice (#4526)

Set the base count to 0, as it's already covered by the constants in the HomePageResearch component.
amyrebecca/Panoptes-Front-End,amyrebecca/Panoptes-Front-End,zooniverse/Panoptes-Front-End,amyrebecca/Panoptes-Front-End