Simplify lemmy.hjson for ansible

ansible/templates/config.hjson

@@ -2,43 +2,14 @@
   # for more info about the config, check out the documentation
   # https://join-lemmy.org/docs/en/administration/configuration.html
 
-  # settings related to the postgresql database
   database: {
-    database: lemmy
-    user: lemmy
-    host: postgres
-    port: 5432
-    pool_size: 5
-    # password to connect to postgres
     password: "{{ postgres_password }}"
   }
-  # the domain name of your instance (eg "lemmy.ml")
   hostname: "{{ domain }}"
-  # the port where lemmy should listen for incoming requests
-  port: 8536
-  # whether tls is required for activitypub. only disable this for debugging, never for producion.
-  tls_enabled: true
-  # address where pictrs is available
   pictrs_url: "http://pictrs:8080"
-  # email sending configuration
   email: {
-    # hostname of the smtp server
     smtp_server: "postfix:25"
-    # address to send emails from, eg "noreply@your-instance.com"
     smtp_from_address: "noreply@{{ domain }}"
     use_tls: false
   }
-  # settings related to activitypub federation
-  federation: {
-    # whether to enable activitypub federation. 
-    enabled: false
-    # Allows and blocks are described here:
-    # https://join-lemmy.org/docs/en/federation/administration.html#instance-allowlist-and-blocklist
-    #
-    # comma separated list of instances with which federation is allowed
-    # Only one of these blocks should be uncommented
-    # allowed_instances: ["instance1.tld","instance2.tld"]
-    # comma separated list of instances which are blocked from federating
-    # blocked_instances: []
-  }
 }