ALLEN PARK, Mich. — What felt like a foregone conclusion has turned out to be a premature assumption. After drawing interest from six NFL teams for their head-coaching vacancies, Ben Johnson has informed the remaining two franchises yet to fill those openings he intends to return to Detroit and remain the Lions’ offensive coordinator. The news was first reported by the NFL Network. The stunning development is significant for Detroit’s 2024 Super Bowl aspirations following the team’s recent NFC Championship loss to the San Francisco 49ers. In his two seasons as coordinator, the Lions have produ…