oem: Don't seed APT mirror

config/includes.chroot.oem/var/lib/pureos-oem/di-preseed.cfg

@@ -16,13 +16,8 @@ d-i apt-setup/cdrom/set-next boolean false
 d-i apt-setup/cdrom/set-failed boolean false
 d-i apt-setup/use_mirror boolean false
 
-d-i mirror/country string manual
-
 d-i  netcfg/get_hostname string librem
 d-i netcfg/get_hostname seen false
-d-i mirror/http/hostname string repo.puri.sm
-d-i mirror/http/directory string /pureos
-d-i mirror/http/proxy string
 d-i pkgsel/install-language-support boolean false
 d-i pkgsel/update-policy select none
 
@@ -76,8 +71,6 @@ user-setup-udeb user-setup/encrypt-home boolean true
 d-i	popularity-contest/participate	boolean	false
 d-i hw-detect/load_firmware boolean false
 
-
-
 d-i grub-installer/only_debian boolean true
 d-i grub-installer/with_other_os boolean true
 d-i grub-installer/choose_bootdev string /dev/sda