Jeffrey Dastin & Steve Stecklow LONDON (Reuters – Amazon.com Inc. (NASDAQ ? had been marketing a compilation of President Xi Jinping’s writings and speeches on its Chinese website around two years before Beijing handed down an edict. American giant e-commerce must end allowing customers to rate and review products in China. According to one person, the demand was triggered by a negative review about Xi’s book. According to the second person, “I don’t think that the issue received anything less than five stars,” the best rating under Amazon’s 5-point system. Amazon’s online e-commerce site is a key part. Reviews and…