Remove now unused sb flavor anymore

This hook seems to not be used by the Cloud team. Models needs to be
updated as they are making the current image build, so reducing the
amount of maintenance related to an image we don’t use.

live-build/ubuntu/hooks/020-ubuntu-enhanced-sb.binary

@@ -1,118 +0,0 @@
-#! /bin/sh
-
-set -eux
-
-case ${PASS:-} in
-    minimal.standard.enhanced-secureboot)
-        ;;
-    minimal.enhanced-secureboot)
-        ;;
-    *)
-        exit 0
-        ;;
-esac
-
-if [ -n "${SUBPROJECT:-}" ]; then
-    echo "We don't run Ubuntu Desktop hooks for this project."
-    exit 0
-fi
-
-. config/binary
-. config/functions
-
-# env SNAPPY_STORE_NO_CDN=1 snap known --remote model series=16 brand-id=canonical model=ubuntu-classic-2404-amd64 > config/classic-model.model
-cat <<EOF > config/classic-model.model
-type: model
-authority-id: canonical
-revision: 3
-series: 16
-brand-id: canonical
-model: ubuntu-classic-2404-amd64
-architecture: amd64
-base: core22
-classic: true
-distribution: ubuntu
-grade: signed
-snaps:
-  -
-    default-channel: classic-24.04/stable
-    id: UqFziVZDHLSyO3TqSWgNBoAdHbLI4dAH
-    name: pc
-    type: gadget
-  -
-    default-channel: 24/stable
-    id: pYVQrBcKmBa0mZ4CCN7ExT6jH8rY1hza
-    name: pc-kernel
-    type: kernel
-  -
-    default-channel: latest/stable
-    id: amcUKQILKXHHTlmSa7NMdnXSx02dNeeT
-    name: core22
-    type: base
-  -
-    default-channel: latest/stable
-    id: PMrrV4ml8uWuEUDBT8dSGnKUYbevVhc4
-    name: snapd
-    type: snapd
-  -
-    default-channel: latest/stable
-    id: EISPgh06mRh1vordZY9OZ34QHdd7OrdR
-    name: bare
-    type: base
-  -
-    default-channel: latest/stable/ubuntu-24.04
-    id: 3wdHCAVyZEmYsCMFDE9qt92UV8rC8Wdk
-    name: firefox
-    type: app
-  -
-    default-channel: latest/stable/ubuntu-24.04
-    id: lATO8HzwVvrAPrlZRAWpfyrJKlAJrZS3
-    name: gnome-42-2204
-    type: app
-  -
-    default-channel: latest/stable/ubuntu-24.04
-    id: jZLfBRzf1cYlYysIjD2bwSzNtngY0qit
-    name: gtk-common-themes
-    type: app
-  -
-    default-channel: 2/stable/ubuntu-24.04
-    id: gjf3IPXoRiipCu9K0kVu52f0H56fIksg
-    name: snap-store
-    type: app
-  -
-    default-channel: latest/stable/ubuntu-24.04
-    id: IrwRHakqtzhFRHJOOPxKVPU0Kk7Erhcu
-    name: snapd-desktop-integration
-    type: app
-  -
-    default-channel: 1/stable/ubuntu-24.04
-    id: EI0D1KHjP8XiwMZKqSjuh6W8zvcowUVP
-    name: firmware-updater
-    type: app
-timestamp: 2024-08-26T12:00:00.0Z
-sign-key-sha3-384: 9tydnLa6MTJ-jaQTFUXEwHl1yRx7ZS4K5cyFDhYDcPzhS7uyEkDxdUjg9g08BtNn
-
-AcLBXAQAAQoABgUCZsyysAAKCRDgT5vottzAEilHEACwNTjGEIAfePAkgYeaWvNvQXTIHRqa/fc8
-G7BJZQJjvE8I7DMQn5QHqUHpLTvyKQCch780R43NbNmcEWBSvYe7vdfSGwF4acyP6MBk7rO1s366
-lBjvKEkhk1yfcpx3cGUy+LWsLvJkRYvAC31vMCcVnyXZGzAFT0qDlHOH5J3UHc7JBmuo9rdHueKN
-KmjgozFp6NAPFFGEA4yqIqBRUtZyu9r27SvI2AqY+TKZClzUvaxxUOpCMTZmF8nMC9ucLRstSHbf
-BGUvaIo97xY0ycG8QHFXEG1iOsIhUq2pGgIIajCxL+A1uwvGuGRDHscb0g63MvfqJB3lIsKy/oTU
-8KgAIOG2Qy9AhwkP1kMuBh5Txw4XMp4lNmPpBToOIQK+LAmDup82+czcvTdDRVAmzq3gGMeSwzc8
-hwq6uMLbI+jl67tHhhItOAMF5UzqWetecA81OEvyLxNSYcLIJ2zbXwRaOTummnIFgg6RDPBwd0tl
-K8EVLVIakCQtKs/2tmBMWXuv2HStqoUsn+8I5ofzVv/gJnu0cD1xvLTJ0xbK4TnTmCYDP8b357Jg
-MXOLyKFuNLcaf1mR7vwsE3570jsFUQtwq8CYWZD5WCCVv1QXb2MKD3A1fEgAHMqRfHSa+HoPzsWY
-+KDM/aLgtd0I8R7pQdz1GO2vkxz5BAv7jG5kvwhuYg==
-EOF
-
-channel=""
-if [ -n "${CHANNEL:-}" ]; then
-    channel="--channel $CHANNEL"
-fi
-
-reset_snapd_state chroot
-
-env SNAPPY_STORE_NO_CDN=1 snap prepare-image \
-    --classic config/classic-model.model $channel chroot
-mv chroot/system-seed/systems/* chroot/system-seed/systems/enhanced-secureboot-desktop
-rm -rf chroot/var/lib/snapd/seed
-mv chroot/system-seed chroot/var/lib/snapd/seed