Drop the legacy images for both Ubuntu and Ubuntu Budgie.

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (24.04.3) UNRELEASED; urgency=medium
+
+  * Drop the legacy images for both Ubuntu and Ubuntu Budgie.
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Sat, 04 Nov 2023 21:55:34 +0200
+
 livecd-rootfs (24.04.2) noble; urgency=medium
 
   * Enable snap preseeding with ppc64el images where /boot/vmlinux is used

live-build/auto/config

@@ -675,17 +675,7 @@ fi
 
 case $PROJECT in
 	ubuntu)
-
 		case ${SUBPROJECT:-} in
-			legacy)
-				LIVE_TASK='ubuntu-live'
-				add_task install minimal standard ubuntu-desktop
-				add_task live ubuntu-desktop-minimal-default-languages ubuntu-desktop-default-languages
-				KERNEL_FLAVOURS='generic-hwe-22.04'
-				if [ "$SUBARCH" = "intel-iot" ]; then
-					KERNEL_FLAVOURS='intel-iotg'
-				fi
-				;;
 			desktop-preinstalled)
 				add_task install minimal standard ubuntu-desktop
 				case $SUBARCH in
@@ -857,13 +847,6 @@ case $PROJECT in
 		;;
 
 	ubuntu-budgie)
-		case ${SUBPROJECT:-} in
-			legacy)
-				add_task install minimal standard ubuntu-budgie-desktop
-				LIVE_TASK='ubuntu-budgie-live'
-				;;
-
-			*)
 		# By default Ubuntu Budgie now ships the new installer.
 		touch config/universe-enabled
 		PASSES_TO_LAYERS="true"
@@ -875,7 +858,6 @@ case $PROJECT in
 		remove_package minimal.standard.live ubiquity-frontend-gtk
 		add_snap minimal.standard.live ubuntu-budgie-installer/classic
 		add_package minimal.standard.live linux-$KERNEL_FLAVOURS casper
-
 		seeded_langs="$(get_seeded_languages budgie-desktop-minimal budgie-desktop)"
 		echo "$seeded_langs" | tr ' ' ',' > config/seeded-languages
 		derive_language_layers minimal budgie-desktop-minimal budgie-desktop-minimal-default-languages "$seeded_langs"
@@ -902,8 +884,6 @@ case $PROJECT in
 		/usr/share/livecd-rootfs/checkout-translations-branch \
 			https://git.launchpad.net/subiquity po config/catalog-translations
 		;;
-		esac
-		;;
 
 	ubuntu-mate)
 		add_task install minimal standard ubuntu-mate-core ubuntu-mate-desktop