Revert "Auto-update openbooks"

This reverts commit c8de69b691.

modules/information.nix

@@ -36,7 +36,6 @@
     openbooks = {
       image = "evanbuss/openbooks:latest";
       ports = [ "127.0.0.1:9000:80" ];
-      extraOptions = [ "--label=io.containers.autoupdate=registry" ];
     };
   };
 }