Update tracking.py

tracking.py

@@ -207,10 +207,7 @@ class SimpleTracker:
     
     def _calculate_cost_matrix(self, tracks: List[Track], 
                                detections: List[Detection]) -> np.ndarray:
-        """
-        Calculate cost matrix with IoU and center distance
-        Lower cost = better match
-        """
+        
         if not tracks or not detections:
             return np.array([])
         
@@ -264,4 +261,4 @@ class SimpleTracker:
     def set_match_threshold(self, threshold: float):
         
         self.match_threshold = max(0.1, min(0.8, threshold))
-        print(f"Tracker match threshold set to: {self.match_threshold}")
+