refactor: move specialisation configs to separate file

hosts/skipper/default.nix

@@ -1,5 +1,4 @@
 {
-  config,
   lib,
   pkgs,
   ...
@@ -13,6 +12,7 @@
     ./rollback.nix
     ./secureboot.nix
     ./security.nix
+    ./specialisations.nix
     ./virtualisation.nix
   ];
 

hosts/skipper/hardware/kernel.nix

@@ -3,22 +3,6 @@
   pkgs,
   ...
 }: {
-  specialisation = {
-    xanmod = {
-      inheritParentConfig = true;
-      configuration = {
-        boot.kernelPackages = lib.mkForce pkgs.linuxPackages_xanmod_latest;
-        system.nixos.tags = ["with-xanmod"];
-      };
-    };
-    vanilla = {
-      inheritParentConfig = true;
-      configuration = {
-        boot.kernelPackages = lib.mkForce pkgs.linuxPackages_latest;
-        system.nixos.tags = ["with-vanilla"];
-      };
-    };
-  };
   boot = {
     consoleLogLevel = 3;
     initrd = {
@@ -41,6 +25,5 @@
       "vm.swappiness" = 0;
     };
   };
-
   powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
 }

hosts/skipper/specialisations.nix

@@ -0,0 +1,22 @@
+{
+  lib,
+  pkgs,
+  ...
+}: {
+  specialisation = {
+    xanmod = {
+      inheritParentConfig = true;
+      configuration = {
+        boot.kernelPackages = lib.mkForce pkgs.linuxPackages_xanmod_latest;
+        system.nixos.tags = ["with-xanmod"];
+      };
+    };
+    vanilla = {
+      inheritParentConfig = true;
+      configuration = {
+        boot.kernelPackages = lib.mkForce pkgs.linuxPackages_latest;
+        system.nixos.tags = ["with-vanilla"];
+      };
+    };
+  };
+}