Donald Trump mockingly urged Nikki Haley to remain in the Republican primary as she officially conceded the race Wednesday. Haley suspended her campaign for president the morning after suffering a string of losses in the Super Tuesday primary election — as Trump gloated over her defeat and blamed his loss in Vermont on the state’s open primary. “Nikki Haley got TROUNCED last night, in record setting fashion, despite the fact that Democrats, for reasons unknown, are allowed to vote in Vermont, and various other Republican Primaries,” Trump posted on Truth Social just minutes after Haley gave a …