[datafeed] fix/finish cleanup started by auc in 8393:c25b96ae4f8a: parser.process prototytpe is (url, raise_on_error=False). Drop partialcommit argument which were never specified
add_relation_type('prefered_form')
rql('SET X prefered_form Y WHERE Y canonical TRUE, X identical_to Y')
commit()
drop_attribute('EmailAddress', 'canonical')
drop_relation_definition('EmailAddress', 'identical_to', 'EmailAddress')
if 'see_also' in schema:
sync_schema_props_perms('see_also', syncprops=False, syncrdefs=False)