cleanup: remove calibre and audiobookshelf stacks after ebooks migration [ci skip]

Both services migrated to unified ebooks namespace. Remove:
- Old stack directories and Terraform state
- calibre references from monitoring namespace lists
- calibre/audiobookshelf from operational scripts

scripts/gen_service_stacks.py

@@ -116,16 +116,6 @@ SERVICES = [
         ("auth_secret", "var.resume_auth_secret"),
         ("smtp_password", 'var.mailserver_accounts["info@viktorbarzin.me"]'),
     ]),
-    ("calibre", "calibre", [
-        ("tls_secret_name", "var.tls_secret_name"),
-        ("homepage_username", 'var.homepage_credentials["calibre-web"]["username"]'),
-        ("homepage_password", 'var.homepage_credentials["calibre-web"]["password"]'),
-        ("tier", "LOCAL_TIER:edge"),
-    ]),
-    ("audiobookshelf", "audiobookshelf", [
-        ("tls_secret_name", "var.tls_secret_name"),
-        ("tier", "LOCAL_TIER:aux"),
-    ]),
     ("frigate", "frigate", [
         ("tls_secret_name", "var.tls_secret_name"),
         ("tier", "LOCAL_TIER:gpu"),

scripts/migrate_service_state.sh

@@ -12,9 +12,7 @@ STATE_DIR="$(pwd)/state/stacks"
 MODULES=(
   actualbudget
   affine
-  audiobookshelf
   blog
-  calibre
   changedetection
   city-guesser
   coturn

scripts/stop_storage_services.sh

@@ -13,7 +13,6 @@ function scale() { kubectl scale deployment --replicas=$3 --namespace $1 $2; }
 cmd="${1:-stop}"
 case "$cmd" in
   stop)
-    scale calibre calibre-web-automated 0
     scale redis redis 0
     scale uptime-kuma uptime-kuma 0
     scale paperless-ngx paperless-ngx 0
@@ -37,7 +36,6 @@ case "$cmd" in
     scale redis redis 1
     scale uptime-kuma uptime-kuma 1
     scale vaultwarden vaultwarden 1
-    scale calibre calibre-web-automated 1
     ;;
     # echo "[!] Cleanup only removes links (not flushing all iptables to avoid surprises)."
     # ip netns list | grep -qw "$NS_NAME" && sudo ip netns del "$NS_NAME" || true