PARIS – Former French President Nicolas Sarkozy wants authorities to drop an investigation into alleged illegal financing of his 2007 campaign by the regime of late Libyan leader Moammar Gadhafi, after a central accuser backtracked on claims that he had handed Sarkozy’s team suitcases of Libyan cash.Sarkozy, who denies wrongdoing, has been given preliminary corruption charges in the case, under investigation since 2013.The probe gained traction when French-Lebanese businessman Ziad Takieddine told news site Mediapart in 2016 that he had delivered suitcases from Libya containing 5 million euros ($6.2 million) in cash to Sarkozy and his former chief of staff.On Wednesday, Takieddine reversed course, telling BFM television from Lebanon: “It’s.