vm-img: drop Debian 6

component/vm-img/debian.cfg

@@ -32,15 +32,6 @@ late-command =
 # a DNS proxy on both IPv4 and IPv6 without translating queries to what the
 # host supports.
   dpkg -P rdnssd
-  [ $DIST != debian-squeeze ] || {
-# Squeeze kernel (2.6.32) is too old for 9p mount points.
-    set squeeze-backports /etc/apt/sources.list.d/backports.list `
-      aptitude -F %p search '?source-package("^linux-latest-2.6$")~i'`
-    echo 'Acquire::Check-Valid-Until "false";' >/etc/apt/apt.conf.d/00AcceptExpired
-    echo deb http://archive.debian.org/debian-backports/ $1 main >$2
-    apt-get update --no-list-cleanup -o Dir::Etc::SourceList=/dev/null
-    apt-get install -y -t $1 $3
-  }
   mount |grep -q 'on / .*\bdiscard\b' || ! type fstrim || {
     apt-get clean
     sync
@@ -49,9 +40,6 @@ late-command =
 debconf.debconf =
   debconf/frontend noninteractive
   debconf/priority critical
-debian-squeeze/preseed.mirror/country = manual
-debian-squeeze/preseed.mirror/http/hostname = archive.debian.org
-debian-squeeze/preseed.mirror/http/directory = /debian
 debian-wheezy/preseed.apt-setup/services-select = volatile
 debian-wheezy/preseed.mirror/country = manual
 debian-wheezy/preseed.mirror/http/hostname = archive.debian.org
@@ -73,10 +61,6 @@ x86_64.initrd = install.amd/initrd.gz
 <= debian-stable
 x86_64.iso = debian-amd64-testing-netinst.iso
 
-[debian-squeeze]
-<= debian-stable
-x86_64.iso = debian-amd64-squeeze-netinst.iso
-
 [debian-wheezy]
 <= debian-stable
 x86_64.iso = debian-amd64-wheezy-netinst.iso