Move curtin to installer squash.

live-build/auto/config

@@ -375,10 +375,6 @@ case $PROJECT in
 		add_task install standard
 		add_task install server
 		COMPONENTS='main restricted universe'
-		add_package install snapd
-		add_package install nplan
-		add_package install curtin
-		add_package install hdparm
 		;;
 
 	ubuntu-core)

live-build/ubuntu-server-next/hooks/032-installer-squashfs.binary

@@ -39,6 +39,7 @@ mount_overlay "$SQUASH_ROOT/" "$OVERLAY_ROOT/" "$SQUASH_ROOT/"
 # to see on the installed system
 chroot $SQUASH_ROOT apt-get update
 chroot $SQUASH_ROOT apt-get -y install user-setup
+chroot $SQUASH_ROOT apt-get -y install curtin
 
 # Do the snap seeding dance.
 chroot $SQUASH_ROOT mkdir -p /var/lib/snapd/seed/snaps /var/lib/snapd/seed/assertions