MAINT: Remove obsolete todos

unittests/test_crawler.py

@@ -978,8 +978,6 @@ def test_treated_record_lookup():
     assert trlu._id_look_up[exist.id] is exist
     # can be accessed via get_existing
     assert trlu.get_existing(db.Record(id=1)) is exist
-    # assert trlu.is_existing(db.Record(id=1))  # TODO remove?
-    # assert not trlu.is_missing(db.Record(id=1))  # TODO remove?
 
     miss = db.Record()
     # exception when identifiable is missing
@@ -993,8 +991,6 @@ def test_treated_record_lookup():
     assert trlu._identifiable_look_up[ident.get_representation()] is miss
     # can be accessed via get_missing
     assert trlu.get_missing(db.Record(), Identifiable(name='a')) is miss
-    # assert not trlu.is_existing(db.Record())  # TODO remove?
-    # assert trlu.is_missing(db.Record())  # TODO remove?
 
     fi = db.File(path='a', id=2)
     trlu.add(fi)