Deletion of Dao Thanh Oai line

Comment: as OR and failure of 
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: I prodded this with the rationale ", , " and have seen no evidence since to change my mind
Stance: delete
Cited policy: Wikipedia:Too soon (WP:TOOSOON||WP:NFT||WP:NOR)