Speaking at the J.P. Morgan Technology, Media and Telecom conference, Verizon CFO Fran Shammo said that the company plans to phase customers out of grandfathered-in unlimited data plans as they migrate to LTE. “Everyone will be on data share,” Shammo said, clarifying that, “a lot of our 3G base is on unlimited… [and] when they migrate off 3G they will have to go to data share.” Verizon plans to introduce new shared family…