switched single host to colmena

nixos/common/default.nix

@@ -1,8 +1,7 @@
-{ config, inputs, pkgs, ... }:
+{ config, pkgs, ... }:
 
 {
   imports = [
-    inputs.vault-secrets.nixosModules.vault-secrets
     # User account definitions
     ./users
     ./services
@@ -37,10 +36,6 @@
   };
 
   nixpkgs.config.allowUnfree = true;
-  nixpkgs.overlays = [
-    (import ../pkgs)
-    inputs.minecraft-servers.overlays.default
-  ];
 
   # Limit the systemd journal to 100 MB of disk or the
   # last 7 days of logs, whichever happens first.