The White House argued on Friday that a recent US government court filing saying Saudi Crown Prince Mohammed bin Salman has immunity from legal action over the 2018 murder of journalist Jamal Khashoggi is unrelated to bilateral relations. “This legal determination has absolutely nothing to do with the merits of the case itself,” said White House national security spokesman John Kirby, referring to the civil lawsuit against the crown prince and other Saudis by Hatice Cengiz, Khashoggi’s fiancee. Moreover, the determination “has absolutely nothing to do with the bilateral relationship with Saudi…