remove networking config from filessystem config

agents/common.nix

@@ -1,8 +1,9 @@
-{ pkgs, config, ... }:
+{ pkgs, ... }:
 {
   imports = [
     ../cachix.nix
   ];
+
   environment.systemPackages = with pkgs; [
     # vim -- added by srvos.nixosModules.server
     # git -- srvos.nixosModules.server
@@ -43,8 +44,13 @@
 
   virtualisation.docker.enable = true;
 
+  networking = {
     # Runner communication port for cache restores.
-  networking.firewall.allowedTCPPorts = [ 45315 ];
+    firewall.allowedTCPPorts = [ 45315 ];
+
+    networkmanager.enable = true;
+    useDHCP = true;
+  };
 
   system.stateVersion = "24.05";
 }

hardware/default.nix

@@ -9,8 +9,5 @@
     boot.loader.grub.device = "/dev/sda";
 
     fileSystems."/" = lib.mkDefault { device = "/dev/disk/by-partlabel/disk-main-root"; fsType = "ext4"; };
-
-    networking.useNetworkd = true;
-    networking.useDHCP = true;
   };
 }