Michael Avenatti, the former attorney for porn star Stormy Daniels, pleaded guilty to the remaining criminal charges against him after being convicted for embezzling from his ex-client. Avenatti was initially sentenced to four years in prison on Thursday for stealing around $300,000 in book advance money from the adult film star. On Sunday, he pleaded guilty in a federal court in California to stealing millions of dollars from clients, lying to the Internal Revenue Service and a bankruptcy court, and defrauding a bank. Avenatti said he pleaded guilty “to be accountable; accept responsibility; …