backwards: Add network module

hosts/backwards/configuration.nix

@@ -13,12 +13,6 @@
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
-  networking.hostName = "backwards";
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-
-  # Enable networking
-  networking.networkmanager.enable = true;
-
   time.timeZone = "Europe/Stockholm";
 
   i18n.defaultLocale = "en_GB.UTF-8";