LONDON (Reuters) -British supermarket group Morrisons is to close 132 McColl’s convenience stores that have no realistic prospect of making a profit in the medium term, it said on Tuesday, putting 1,300 workers at risk of redundancy. The majority of the closures will take place this year, while 55 stores that include a Post Office counter will close next year. Morrisons bought the McColl’s chain out of administration in May but the deal was not cleared by the competition regulator until last month. It said that every affected worker would be offered alternative employment at a nearby McColl’s …