A Jamaican court cleared the way Thursday for the extradition of a key suspect to Miami in the assassination of Haitian President Jovenel Moïse. Former Haitian Sen. John Joël Joseph, who was arrested in Jamaica earlier this year after months of hiding in Haiti, was being held on an immigration violation charge after illegally entering the English-speaking Caribbean nation with his wife and children. After multiple postponements and court appearances, the one-time politician’s case was finally resolved Thursday when the chief prosecutor decided not to move forward with the case. Joseph, whose p…