Eddie Van Halen — the legendary guitarist and co-founder of Van Halen — has died after a long battle with throat cancer … TMZ has learned. Sources directly connected to the rock star tell us … he died at St. John’s Hospital in Santa Monica Tuesday. His wife, Janie, was by his side, along with his son, Wolfgang, and Alex, Eddie’s brother and drummer. We’re told in the last 72 hours, Eddie’s ongoing health battle went massively downhill — doctors...