By Sam Nussey TOKYO (Reuters) -SoftBank Group Corp is in talks to sell the Paris-based robotics business behind its Pepper android to Germany’s United Robotics Group, according to sources and documents reviewed by Reuters, scaling back a business it once touted as a major growth driver. The talks are ongoing and plans could change, said two sources familiar with the matter, who declined to be named as they are not permitted to speak to the media. It is not clear whether SoftBank will retain a stake in the business, nor how much the deal would be worth. United Robotics Group, which is backed by…