4510 Lose SIOC*IPSECONFIG ioctl definitions
Reviewed by: Marcel Telka <marcel@telka.sk>
Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com>
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Robert Mustacchi <rm@joyent.com>