The first batch of migrants was bused to Floyd Bennett Field’s makeshift tent city in Brooklyn on Sunday — and wanted no part of it. Dozens of migrant families arrived at the controversial remote housing site courtesy of the Adams administration shortly after 12:30 p.m., looked around and promptly hopped back on the bus to try to return to their previous shelters. “We weren’t told where we were going,” one of the bused migrant dads griped to The Post. “I work in The Bronx. My kids go to school in The Bronx. For us to live out here is ridiculous....