auto/config: use the new server-live task to reduce the use of explicit calls to add_package and add_snap a bit.

debian/changelog

@@ -1,3 +1,10 @@
+livecd-rootfs (23.10.32) UNRELEASED; urgency=medium
+
+  * auto/config: use the new server-live task to reduce the use of explicit
+    calls to add_package and add_snap a bit.
+
+ -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Thu, 07 Sep 2023 12:55:07 +1200
+
 livecd-rootfs (23.10.31) mantic; urgency=medium
 
   * blkid is unreliable in mount_image(), but this blkid call is only here

live-build/auto/config

@@ -978,11 +978,7 @@ case $PROJECT in
 				add_task ubuntu-server-minimal.ubuntu-server minimal standard server
 				add_package ubuntu-server-minimal.ubuntu-server cloud-init
 
-				add_package ubuntu-server-minimal.ubuntu-server.installer linux-firmware casper openssh-server
-				add_snap ubuntu-server-minimal.ubuntu-server.installer subiquity/classic
-				if [ $ARCH = s390x ]; then
-					add_package ubuntu-server-minimal.ubuntu-server.installer s390-tools-zkey
-				fi
+				add_task ubuntu-server-minimal.ubuntu-server.installer server-live
 
 				# Live server ISOs for LTS point releases past .2 offer both
 				# the GA and HWE kernels (in separate layers) so this code is