The getaway driver convicted in the robbery of a Riverdale high-end luxury car rental business of $100,000 in jewelry and cell phones has been sentenced to 50 years in state prison. Melvin Banks, 37, of the Somerset section of Franklin Township, later sent message that threatened the business owner and the man’s family, demanding that the charges be dropped, the Morris County Prosecutor’s Office said. The now 35-year-old man who committed the Dec. 4, 2021 robbery — Daniel A. Lind — previously pleaded guilty to robbery and a weapons offense and was sentenced to eight years in state prison in De…