Rob Kardashian is asking a judge to shut down his ex-fiancée Blac Chyna in her attempt to make him cough up money after he dropped his lawsuit — and her lawyer is already firing back. According to court documents obtained by Radar, the 34-year-old reclusive reality star is objecting to the $45k requested by Chyna. As we first reported, the 33-year-old Lashed businesswoman believes Rob should have to reimburse her for everything from nearly $2k spent on filing fees, another $33k on preparing for depositions, $2,300 to hire a court reporter, and $8k in other fees. Chyna’s request came days after…