By Anchal Rana (Reuters) – British media group Sky is planning to cut about 1,000 jobs across its business this year, a source familiar with the matter told Reuters on Tuesday, as it transitions to internet-based services from traditional satellite. Sky, owned by U.S.-based Comcast Corp, is reviewing its business structure to run parallel to TV customers’ pivot to digital services and is betting on its products, Sky Stream and Sky Glass. “Increasingly, customers are choosing Sky Glass and Sky Stream which don’t require specialist installation, and that has led us to change the number of roles …