PHILADELPHIA — Nike is pulling back on plans for a shoe that sneakily honors Allen Iverson after the former NBA superstar questioned whether the company could use his old number and team colors while he’s endorsed by rival Reebok. Iverson says Nike used his identity, likeness and persona without permission for a sneaker out of the company’s Zoom Flight ’96 collection. The ambiguously titled sneaker has the No. 3 — Iverson’s number — on each back heel and the red, white and …