Tesla and Panasonic have ditched a production partnership that centered around the Gigafactory 2 site in Buffalo, New York, which has thrown more questions into the mix regarding the future of Tesla’s Solar Roof product. The pair say that they will continue to work together in the automotive sector, but the latest news brings an end to a troubled partnership that was first kicked off in 2016. The Gigafactory 2 was meant to be the keystone of Tesla’s Solar Roof strategy, creating the solar cells that would be integrated into the roof tile form factor that promises to significantly under cut the cost of conventional rooftop solar (when installed as part of a roof renovation, at least). According to The…