Theresa May faced cross-party calls to sack her transport secretary, Chris Grayling, last night, after the calamitous collapse of a no-deal Brexit ferry contract handed to a company with no ships. Senior Tories said the prime minister had turned “a blind eye” to Grayling’s decision to award the £13.8m contract to Seaborne Freight to run ferries between Ramsgate and Ostend, despite widespread derision and accusations that it had been awarded illegally. The collapse of the contract comes amid growing unease…