By Sheila Dang (Reuters) -Billionaire Elon Musk said Tuesday he would reverse Twitter’s ban on former U.S. President Donald Trump when he buys the social media platform, the clearest signal of Musk’s intention to cut moderation of the site. Musk, the world’s richest person and chief executive of Tesla Inc, has inked a $44 billion deal to buy Twitter. He has called himself a “free speech absolutist” but given few specific details of his plans. Musk is expected to become Twitter’s temporary CEO after closing the deal, Reuters previously reported according to a source familiar with the matter. Th…