biotite: move services to new machines and new domain

- related services: forgejo, miniflux, vaultwarden
- moved from xinyang.life to xiny.li
- clean up modules

modules/nixos/default.nix

@@ -7,15 +7,10 @@
     ./common-settings/mainland.nix
     ./disk-partitions
     ./restic.nix
-    ./vaultwarden.nix
     ./monitor
-    ./hedgedoc.nix
-    ./sing-box.nix
     ./kanidm-client.nix
-    ./ssh-tpm-agent.nix # FIXME: Waiting for upstream merge
+    # ./ssh-tpm-agent.nix # FIXME: Waiting for upstream merge
     ./forgejo-actions-runner.nix
-    ./oidc-agent.nix
-    ./miniflux.nix
     ./immich.nix
   ];
 }