doc: updated false doc information

src/trackers.py

@@ -245,10 +245,8 @@ class GNN():
         """Associates measurements to tracks and updates the tracks with the
         measurements.
 
-        Does *not* return anything, but modifies the objects in-place!
-        Uses Efficient Hypothesis Management (see
-        https://github.com/sglvladi/pyehm) for computing the hypothesis
-        probabilities.
+        Does *not* return anything, but modifies the objects in-place! Uses
+        scipy to compute the optimal assignment.
 
         Parameters
         ----------