TT#28952 Remove debootstrap_upgrade() as current GRML uses version 1.0.95 already

deployment.sh is release specific and GRML in trunk
provides debootstrap version 1.0.95 already.

Change-Id: I085898df44001de0bc6d1acd9cea1b704c51380f

templates/scripts/includes/deployment.sh

@@ -250,34 +250,6 @@ install_package_git () {
     -y --no-install-recommends install git
 }
 
-# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776917
-debootstrap_upgrade() {
-  local required_version=1.0.87
-  local present_version
-
-  present_version=$(dpkg-query --show --showformat="\${Version}" debootstrap)
-
-  if dpkg --compare-versions "${present_version}" lt "${required_version}" ; then
-    echo "deboostrap version $present_version is older than minimum required version $required_version - upgrading."
-
-    # use temporary apt database for speed reasons
-    local TMPDIR
-    TMPDIR=$(mktemp -d)
-    mkdir -p "${TMPDIR}/statedir/lists/partial" "${TMPDIR}/cachedir/archives/partial"
-    local debsrcfile
-    debsrcfile=$(mktemp)
-    echo "deb ${SIPWISE_REPO_TRANSPORT}://${SIPWISE_REPO_HOST}/debian stretch main" >> "$debsrcfile"
-
-    DEBIAN_FRONTEND='noninteractive' apt-get -o dir::cache="${TMPDIR}/cachedir" \
-      -o dir::state="${TMPDIR}/statedir" -o dir::etc::sourcelist="$debsrcfile" \
-      -o Dir::Etc::sourceparts=/dev/null update
-
-    DEBIAN_FRONTEND='noninteractive' apt-get -o dir::cache="${TMPDIR}/cachedir" \
-      -o dir::state="${TMPDIR}/statedir" -o dir::etc::sourcelist="$debsrcfile" \
-      -o Dir::Etc::sourceparts=/dev/null -y install debootstrap
-  fi
-}
-
 install_vbox_iso() {
   echo "Downloading virtualbox-guest-additions ISO"
 
@@ -798,9 +770,6 @@ fi
 set_deploy_status "installing_sipwise_keys"
 install_sipwise_key
 
-set_deploy_status "debootstrap_upgrade"
-debootstrap_upgrade
-
 if "$NGCP_INSTALLER" ; then
   set_deploy_status "ensure_augtool_present"
   ensure_augtool_present