Do not use double quotes around `to_json` values

roles/custom/matrix-appservice-draupnir-for-all/templates/production-appservice.yaml.j2

@@ -19,7 +19,7 @@ db:
 
 # A room you have created that scopes who can access the appservice.
 # See docs/access_control.md
-adminRoom: "{{ matrix_appservice_draupnir_for_all_config_adminRoom | to_json }}"
+adminRoom: {{ matrix_appservice_draupnir_for_all_config_adminRoom | to_json }}
 
 # This is a web api that the widget connects to in order to interact with the appservice.
 webAPI: