PDD Holdings Inc. fired a government relations team in Shanghai following a fistfight between employees and Chinese regulators who were performing checks at the e-commerce company, according to people familiar with the matter.The dismissal of dozens of employees comes as PDD tries to stem the fallout from the unusual physical altercation earlier this month, which has only heightened government scrutiny of the company. A separate government relations team that wasn’t involved in the scuffle remai...