refactor: switch from modules to import arrays

modules/nixos/features/print-and-scan.nix

@@ -1,30 +1,21 @@
 {
-  config,
-  lib,
   pkgs,
   ...
 }:
-let
-  feature = "print-and-scan";
-in
 {
-  config = lib.mkIf config.${feature}.enable {
-    hardware.sane = {
+  hardware.sane = {
+    enable = true;
+    extraBackends = [ pkgs.hplip ];
+  };
+  services = {
+    avahi = {
       enable = true;
-      extraBackends = [ pkgs.hplip ];
+      nssmdns4 = true;
+      openFirewall = true;
     };
-    services = {
-      avahi = {
-        enable = true;
-        nssmdns4 = true;
-        openFirewall = true;
-      };
-      printing = {
-        enable = true;
-        drivers = [ pkgs.hplip ];
-      };
+    printing = {
+      enable = true;
+      drivers = [ pkgs.hplip ];
     };
   };
-
-  options.${feature}.enable = lib.mkEnableOption "enables ${feature}";
 }