applies all recommended deadnix fixes, and adds it to checks

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

systems/artemision/audio.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ pkgs, ... }:
 
 {
   # rtkit is optional but recommended

systems/artemision/desktop.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ pkgs, ... }:
 
 {
   # installs hyprland, and its dependencies

systems/artemision/fingerprint.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ pkgs, ... }:
 {
   # custom module from modules/pam-fingerprint-swap.nix
   # swaps password and fingerprint in pam ordering

systems/artemision/graphics.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ pkgs, ... }:
 
 {
   hardware.opengl = {

systems/artemision/polkit.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ pkgs, ... }:
 
 {
   security.polkit.enable = true;

systems/artemision/steam.nix

@@ -1,9 +1,4 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
+{ pkgs, ... }:
 
 {
   environment.systemPackages = [ pkgs.steam-run ];

systems/jeeves/hardware.nix

@@ -4,7 +4,6 @@
 {
   config,
   lib,
-  pkgs,
   modulesPath,
   ...
 }:

systems/palatine-hill/configuration.nix

@@ -5,12 +5,6 @@
   ...
 }:
 let
-  keygen = key: {
-    format = "binary";
-    sopsFile = ./keys/${key};
-    mode = "0400";
-    path = "/crypto/keys/${key}";
-  };
   bootkey = key: { "/crypto/keys/${key}" = /crypto/keys/${key}; };
   zfskeys = [
     "zfs-attic-key"

systems/rhapsody-in-green/hardware.nix

@@ -4,7 +4,6 @@
 {
   config,
   lib,
-  pkgs,
   modulesPath,
   ...
 }: