Remove coordinate system from acquisition since it is not being used

Author: bruno-f-cruz

src/aind_behavior_vr_foraging/data_mappers/_session.py

@@ -117,7 +117,7 @@ def _map(self) -> acquisition.Acquisition:
             acquisition_start_time=self.session_model.date,
             experimenters=self.session_model.experimenter,
             acquisition_type=self.session_model.experiment or self.task_logic_model.name,
-            coordinate_system=_make_origin_coordinate_system(),
+            coordinate_system=None,
             data_streams=self._get_data_streams(),
             calibrations=self._get_calibrations(),
             stimulus_epochs=self._get_stimulus_epochs(),