By Jon King & Milo Boyd Hundreds of workers face losing their jobs as a popular holiday service comes under the chop. British holidaymakers heading to the Canary Islands might see a change at their hotels this year after Jet2 ditches its free resort check-in service. In recent years those travelling with the package holiday company have been able to check their bags in at their hotels on the day they depart, meaning they avoid having to lug their suitcases around until their flights are ready to leave. “Simply drop your bags off with our specialist Jet2holidays team at your hotel on the mornin…