db: Remove irrelevant TODO
This should not have been included in the original change as things are
working as expected. Drop it now.
@@ -2393,7 +2393,6 @@ def _volume_get(context, volume_id, joined_load=True, for_update=False):
joined_load=joined_load,
)
if joined_load:
- # TODO: Is this correct?
result = result.options(
joinedload(models.Volume.volume_type).joinedload(
models.VolumeType.extra_specs
