LONDON (Reuters) - Tesco, Britain's biggest supermarket group, is to restructure the bakery operations of its larger stores, with fewer products to be baked in-store, putting 1,816 workers at risk of redundancy, it said on Tuesday.The century-old retailer, which trades from 3,787 stores in Britain and Ireland, said it is making the changes because of a big shift in consumer tastes, with shoppers buying fewer traditional loaves and more wraps, bagels and flatbreads.From May, 217 stores will..