The mobile rumor mill has been abuzz about Verizon's potential move away from unlimited data plans for a long time now, but we're not putting the rumors to rest. In fact, we're just fanning the flames -- according to the folks at Droid Life, Big Red's $30 unlimited data plan could be coming to 4G LTE. The site's sources point out that this might mean $30 plus $15 for 4G data, and that pricing s