Removing now unused quagga upgrade handling in frr postinst.

Signed-off-by: Daniel Baumann <daniel@debian.org>

debian/frr.postinst

@@ -22,54 +22,6 @@ mkdir -p /etc/frr
 
 chown frr: /var/lib/frr
 
-# only change ownership of files when they were previously owned by root or
-# quagga; this is to ensure we don't trample over some custom user setup.
-#
-# if we are on a freshly installed package (or we added new configfiles),
-# the files should be owned by root by default so we should end up with "frr"
-# owned configfiles.
-
-quaggauid=`id -u quagga 2>/dev/null || echo 0`
-quaggagid=`id -g quagga 2>/dev/null || echo 0`
-
-find \
-	/etc/frr \
-	/var/log/frr \
-		\( -uid 0 -o -uid $quaggauid \) -a \
-		\( -gid 0 -o -gid $quaggauid \) | \
-	while read filename; do
-
-	# don't chown anything that has ACLs (but don't fail if we don't
-	# have getfacl)
-	if { getfacl -c "$filename" 2>/dev/null || true; } \
-		| grep -E -q -v '^((user|group|other)::|$)'; then
-		:
-	else
-		chown frr: "$filename"
-		chmod o-rwx "$filename"
-	fi
-done
-
-# fix misconfigured vtysh.conf & frr.conf ownership caused by config save
-# mishandling in earlier FRR (and Quagga) versions
-find /etc/frr -maxdepth 1 \( -name vtysh.conf -o -name frr.conf \) \
-	-group frrvty -exec chgrp frr {} \;
-
-# more Quagga -> FRR upgrade smoothing.  Not technically needed, but let's
-# at least do the straightforward pieces.
-
-check_old_config() {
-	oldcfg="$1"
-	[ -r "$oldcfg" ] || return 0
-	[ -s "$oldcfg" ] || return 0
-	grep -v '^[[:blank:]]*\(#\|$\)' "$oldcfg" > /dev/null || return 0
-
-	cat >&2 <<EOF
-Note: deprecated $oldcfg is present. This file is still read by
-the FRR service but its contents should be migrated to /etc/frr/daemons.
-EOF
-}
-
 rmsum() {
        fname="$1"
        test -f "$1" || return 0
@@ -82,8 +34,6 @@ rmsum() {
 
 case "$1" in
 configure)
-	check_old_config /etc/frr/daemons.conf
-	check_old_config /etc/default/frr
 	if test -f /etc/frr/.pkg.frr.nointegrated; then
 		# remove integrated config setup
 		# (if checksums match, the files match freshly installed