refactor: hosts/modules/hardware -> hosts/common/hardware

the config here didn't have any options; doesn't really make sense as a module

hosts/common/default.nix

@@ -3,7 +3,7 @@
   imports = [
     ./feeds.nix
     ./fs.nix
-    ./hardware.nix
+    ./hardware
     ./home
     ./ids.nix
     ./machine-id.nix

hosts/common/hardware/default.nix

@@ -1,6 +1,10 @@
 { lib, pkgs, ... }:
 
 {
+  imports = [
+    ./x86_64.nix
+  ];
+
   boot.initrd.supportedFilesystems = [ "ext4" "btrfs" "ext2" "ext3" "vfat" ];
   # useful emergency utils
   boot.initrd.extraUtilsCommands = ''

hosts/modules/default.nix

@@ -4,7 +4,6 @@
   imports = [
     ./derived-secrets
     ./gui
-    ./hardware
     ./hostnames.nix
     ./hosts.nix
     ./nixcache.nix

hosts/modules/hardware/default.nix

@@ -1,7 +0,0 @@
-{ ... }:
-
-{
-  imports = [
-    ./x86_64.nix
-  ];
-}