nixops: remove neptune machine

nixops/neptune-hardware-configuration.nix

@@ -1,44 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "ahci" "nvme" "usbhid" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-  boot.kernelParams = ["intel_idle.max_cstate=1"];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/c314c533-3391-4759-ac45-060c2909a638";
-      fsType = "ext4";
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/3DA2-A595";
-      fsType = "vfat";
-      options = [ "fmask=0022" "dmask=0022" ];
-    };
-
-  swapDevices = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp86s0.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
-  
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  system.stateVersion = "25.05";
-}

nixops/nixops.nix

@@ -19,5 +19,4 @@
   jupiter = import ./desktop.nix { host = "jupiter"; };
   saturn = import ./desktop.nix { host = "saturn"; };
   pluto = import ./desktop.nix { host = "pluto"; };
-  neptune = import ./desktop.nix { host = "neptune"; };
 }