remove the environment configs as they never work

docker-compose.yml

@@ -7,15 +7,6 @@ services:
     volumes:
       - ./nginx/html:/usr/share/nginx/html:ro
       - ./nginx/conf.d:/etc/nginx/conf.d
-    environment:
-      - MEDIA_API_KEY=key-mindboost-media-server # ⇦ beliebig ändern
-      - SERVER_NAME=b.mindboost.team # ⇦ beliebig ändern
-    command: >
-      /bin/sh -c '
-        envsubst < /etc/nginx/conf.d/default.conf.template \
-                > /etc/nginx/conf.d/default.conf \
-        && nginx -t \
-        && exec nginx -g "daemon off;"'
     labels:
       - "traefik.enable=true"