dosei: disable nix-builders

hosts/dosei/configuration.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
 {
   imports = [
     ./hardware-configuration.nix
@@ -77,6 +77,8 @@
     fstrim.enable = true;
   };
 
+  nix.buildMachines = lib.mkForce [ ];
+
   hardware = {
     bluetooth.enable = true;
     enableRedistributableFirmware = true;