(Reuters) – Elon Musk said on Monday it was time for Donald Trump to “hang up his hat and sail into the sunset,” days after the former U.S. President mocked the billionaire at a political rally and called him a “Bull***t artist.” Writing on Twitter, Musk said, “I don’t hate the man, but it’s time for Trump to hang up his hat & sail into the sunset.” “Dems should also call off the attack – don’t make it so that Trump’s only way to survive is to regain the Presidency,” he added without explanation. Musk’s remarks were in response to comments Trump made at a rally in Anchorage, Alaska on Saturday…