By Maya Gebeily BEIRUT, July 16 (Reuters) - Lebanon and Syria will in the coming months begin revising decades-old trade agreements torevive their economic relationship following the ouster of Syrian leader Bashar al-Assad in 2024, Lebanon's economy minister told Reuters on Thursday. Amer Bisat, who said the countries could eventually aim for a larger bilateral trade deal, spoke a day after holding talks with his Syrian counterpart in Damascus.