Remove extra comma in println! statement

Author: samueltardieu

examples/sliding-puzzle.rs

@@ -157,15 +157,15 @@ fn main() {
         let idastar_handle = s.spawn({
             || {
                 let result = idastar(&b, Game::successors, |b| b.weight, Game::solved).unwrap();
-                println!("idastar: {} moves in {:.3?}", result.1, start.elapsed(),);
+                println!("idastar: {} moves in {:.3?}", result.1, start.elapsed());
                 assert!(result.0.last().unwrap().weight == 0);
                 result.1
             }
         });
         (
             {
                 let result = astar(&b, Game::successors, |b| b.weight, Game::solved).unwrap();
-                println!("astar: {} moves in {:.3?}", result.1, start.elapsed(),);
+                println!("astar: {} moves in {:.3?}", result.1, start.elapsed());
                 assert!(result.0.last().unwrap().weight == 0);
                 result.1
             },