Did you hear all those weird rumors about Justin Fields returning kicks this season. As if a Steelers coach would commit to use a quarterback like that, right? Well, Fields reacted the exact way just about everybody else did when the chatter started earlier this month. What the what? “Nah, I’m not here to do that,” Fields told reporters on Tuesday when the Steelers went back to the practice fields for OTAs. “It was kind of a joke, to be honest with you.” The “joke” got its comedy legs in early May when Steelers running back Jaylen Warren talked about a special teams meeting with Danny Smith. I…