The search for an Australian couple who went overboard Wednesday from the Carnival Spirit cruise ship has been called off, the Associated Press reported. The passengers, identified as Paul Rossington, 30, and Kristen Schroder, 26, went overboard in the waters off New South Wales, Australia. The couple was reported missing when the ship docked in Sydney on Thursday and have now been missing for more than two days. It was reported that railing over which the couple fell was two inches higher than industry safety regulations mandate…