Clean TODO instruction about mother relation filter

tenet/scheme/amr_master_rule/owl_generation/owl_class_generator.py

@@ -275,7 +275,6 @@ def __generate_owl_taxonomic_relation(graph, new_class_uri, net):
         if mother_class_net_uri_list is None:
             predicat_list.append(__compute_class_type_uri(net))
         else :
-            # TODO: add method to filter some mother class
             for mother_class_net_uri in mother_class_net_uri_list:
                 predicat_list.append(__get_mother_class_uri(graph, mother_class_net_uri))