chore(mail): remove mail-admin (superseded by Dovecot shared folders) (#76)

compose.yaml

@@ -60,31 +60,3 @@ services:
       - ROUNDCUBEMAIL_SKIN=elastic
       - ROUNDCUBEMAIL_DES_KEY=${ROUNDCUBEMAIL_DES_KEY:?set ROUNDCUBEMAIL_DES_KEY in .env}
 
-  # Account admin (read-only view) — https://mail.produktor.io/admin/ (NPM proxy
-  # host 66, location /admin/ -> 172.17.0.1:19945).
-  # Lists the accounts from config/postfix-accounts.cf with per-mailbox message
-  # counts (INBOX / total) and storage, computed the same way doveadm reports
-  # them: every file in a mailbox's cur/ or new/ directory is one message.
-  # Read-only: config and mail data are mounted with :ro, no docker socket.
-  mail-admin:
-    build:
-      context: ./admin
-    image: mail-admin:local
-    container_name: mail-admin
-    restart: unless-stopped
-    depends_on:
-      - mailserver
-    ports:
-      - "127.0.0.1:19945:8080"
-      - "172.17.0.1:19945:8080"
-    volumes:
-      - ./config/:/config/:ro
-      - ./data/mail-data/:/var/mail/:ro
-    environment:
-      - MAIL_ADMIN_LISTEN=:8080
-      - MAIL_ADMIN_BASE_PATH=/admin
-      - MAIL_ADMIN_ACCOUNTS=/config/postfix-accounts.cf
-      - MAIL_ADMIN_QUOTAS=/config/dovecot-quotas.cf
-      - MAIL_ADMIN_MAILDIR=/var/mail
-      - MAIL_ADMIN_USER=${MAIL_ADMIN_USER:?set MAIL_ADMIN_USER in .env}
-      - MAIL_ADMIN_PASSWORD=${MAIL_ADMIN_PASSWORD:?set MAIL_ADMIN_PASSWORD in .env}