During a Monday appearance on Shannen's Let's Be Clear podcast, Holly remembered calling a meeting with Charmed producer Jonathan Levin to discuss why her co-star had been fired from the show. "He said, 'We didn't mean to - but we've been backed into this corner - we're basically in this position where it's one or the other.’ We were told (by Alyssa) it's her or (Shannen) and Alyssa has threatened to sue us for a hostile workplace environment.'" The Pretty Little Liars star claimed that Alyssa "documented every time she felt uncomfortable on set”…