Remove redundant setting of if_mtu which ether_ifattach() already takes care of.
Remove redundant setting of if_mtu which ether_ifattach() already
takes care of.

ok dlg@

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