(Bloomberg) -- Spirit Aviation Holdings Inc. is winding down operations after the troubled US discount carrier buckled under the weight of surging fuel prices and a government bailout dangled by President Donald Trump fell through.Most Read from BloombergSupertanker Appears to Have Crossed the Strait of HormuzBeijing Tells China Firms to Ignore US Sanctions on RefinersWorld’s Largest Container Carrier Plans Route Avoiding HormuzPhilippines Says Thousands Evacuated as Mayon Volcano EruptsTrump Ca