Remove struct ttysize which was introduced for compatibility with SunOS < 3.2 (1986).  ok millert@, guenther@
Remove struct ttysize which was introduced for compatibility with
SunOS < 3.2 (1986).  ok millert@, guenther@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars