Revert "configs: use default for deb_components"

This reverts commit 46a6d466d5bb25b117aca078201f21d78a714726.

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
configs: add deb_mirror defaults are ftp.us and ports.ubuntu

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>