Eliminate use of stable

Take all references to Nix stable out
Take out hm stable and other inputs th also depended on it
Clean up some lints and deadnix code

hardware-configuration.nix

@@ -1,27 +1,30 @@
 # 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, ... }:
+{ lib, modulesPath, ... }:
 
 {
-  imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
 
-  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_blk" ];
+  boot.initrd.availableKernelModules = [
+    "ahci"
+    "xhci_pci"
+    "virtio_pci"
+    "virtio_blk"
+  ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/f222513b-ded1-49fa-b591-20ce86a2fe7f";
-      fsType = "ext4";
-    };
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/f222513b-ded1-49fa-b591-20ce86a2fe7f";
+    fsType = "ext4";
+  };
 
-  fileSystems."/boot" =
-    { device = "systemd-1";
-      fsType = "autofs";
-    };
+  fileSystems."/boot" = {
+    device = "systemd-1";
+    fsType = "autofs";
+  };
 
   swapDevices = [ ];