AT&T has announced that access to the FaceTime over Cellular feature in iOS will be limited to customers on Mobile Share plans. “AT&T will offer FaceTime over Cellular as an added benefit of our new Mobile Share data plans, which were created to meet customers’ growing data needs at a great value,” reads a statement from the company, as reprinted by 9to5Mac. “With Mobile Share, the more data you use, the more you save.…