MFC r256430:
  Reduce disc1.iso image size by installing the userland with
  the WITHOUT_PROFILE=1 option set, trimming 56MB from the image.

This change was somehow lost during the 10.0-RELEASE cycle, and
is intended for MFC to releng/10.0.

Sponsored by:	The FreeBSD Foundation
MFC r259400:
  Reduce disc1.iso size by 74MB by removing lib32 libraries, sendmail,
  and atf.

Sponsored by:	The FreeBSD Foundation