A state appeals panel on Wednesday reversed the 2013 legal victory the city of Chicago obtained against three online travel companies, thus negating a $29.1 million award the city had earned in unpaid hotel taxes.For years, the city had asserted that online booking sites like Expedia and Hotels.com were not collecting the full amount of hotel tax from Chicago customers city’s hotel tax on the fees customers pay to book hotel rooms through those sites.The city’s Chicago Hotel Accommodations Tax Ordinance …