SAN FRANCISCO (Reuters) -Amazon has cut jobs in its books division, including at its Goodreads review site and Kindle units, the company said on Thursday. The Seattle-based retailer said that fewer than 100 workers were impacted and the move was meant to improve efficiency and streamline operations. "As part of our ongoing work to make our teams and programs operate more efficiently, and to better align with our business roadmap, we’ve made the difficult decision to eliminate a small number of r