Add option to remove track not fully selected

Author: AntSimi

src/py_eddy_tracker/observations/tracking.py

@@ -198,7 +198,8 @@ def __extract_with_mask(self, mask, full_path=False, remove_incomplete=False, co
             tracks = unique(self.tracks[mask])
             mask = self.get_mask_from_id(tracks)
         elif remove_incomplete:
-            raise Exception("")
+            tracks = unique(self.tracks[~mask])
+            mask = ~self.get_mask_from_id(tracks)
 
         nb_obs = mask.sum()
         new = TrackEddiesObservations(