build: remove authentik setup from docker-compose

It cannot be provisioned automatically easily and inside Docker, it is
difficult to get access to host network.

docker-compose.yml

@@ -29,39 +29,3 @@ services:
     ports:
       - 127.0.0.1:8123:8123/tcp
       - 127.0.0.1:9000:9000/tcp
-
-  # Authentik
-  authentik:
-    image: &authentik-image ghcr.io/goauthentik/server:2022.5.3
-    command: server
-    environment: &authentik-env
-      AUTHENTIK_REDIS__HOST: authentik-redis
-      AUTHENTIK_POSTGRESQL__HOST: authentik-postgresql
-      AUTHENTIK_POSTGRESQL__USER: authentik
-      AUTHENTIK_POSTGRESQL__NAME: authentik
-      AUTHENTIK_POSTGRESQL__PASSWORD: dummypassword
-      AUTHENTIK_DISABLE_UPDATE_CHECK: "true"
-      AUTHENTIK_ERROR_REPORTING__ENABLED: "false"
-      AUTHENTIK_DISABLE_STARTUP_ANALYTICS: "true"
-      AUTHENTIK_AVATARS: none
-      AUTHENTIK_SECRET_KEY: dummykey
-      AK_ADMIN_PASS: akadmin
-      AK_ADMIN_TOKEN: aktoken
-    ports:
-      - 127.0.0.1:8999:9000/tcp
-    depends_on:
-      - authentik-postgresql
-      - authentik-redis
-      - authentik-worker
-  authentik-postgresql:
-    image: postgres:12-alpine
-    environment:
-      - POSTGRES_PASSWORD=dummypassword
-      - POSTGRES_USER=authentik
-      - POSTGRES_DB=authentik
-  authentik-redis:
-    image: redis:alpine
-  authentik-worker:
-    image: *authentik-image
-    command: worker
-    environment: *authentik-env