fix bug when multi-sequence

Author: mikel-brostrom

boxmot/engine/tuner.py

@@ -67,8 +67,6 @@ def objective_function(self, config: dict) -> dict:
         # Evaluate and extract objectives
         results = run_trackeval(self.opt)
 
-        print(results)
-
         if not results:
             return {k: 0 for k in self.opt.objectives}