Support DELETE FROM t USING

### Dialect

MySQL, PostgreSQL

### Failing SQL

```sql
DELETE FROM t USING a WHERE a.id = t.id;
```


### Description

Unfortunately, this is not a valid ANSI SQL statement, but many vendors accept this:
MySQL: https://dev.mysql.com/doc/refman/5.7/en/delete.html
PostgreSQL: https://www.postgresql.org/docs/current/sql-delete.html