deleted some commented code

src/PostgREST/PgStructure.hs

@@ -212,17 +212,3 @@ allprimaryKeys = do
   )
   |]
   return $ map pkFromRow pks
-
--- alltablesAcl :: H.Tx P.Postgres s [(Text, Text, Text)]
--- alltablesAcl = do
---   acl <- H.listEx $ [H.stmt|
---     SELECT
---       table_schema,
---       table_name,
---       grantee as role
---     FROM information_schema.role_table_grants
---     WHERE
---       table_schema NOT IN ('pg_catalog', 'information_schema') AND
---       privilege_type = 'SELECT'
---   |]
---   return acl