cachyos + cleanup

system/system-yarn.nix

@@ -18,9 +18,13 @@
     inputs.nixos-hardware.nixosModules.common-cpu-amd-zenpower
     inputs.impermanence.nixosModules.impermanence
     inputs.disko.nixosModules.disko
-    inputs.jovian-nixos.nixosModules.default
   ];
 
+  boot.kernelPackages = pkgs.linuxPackages_cachyos-lto.cachyOverride {
+    # this system is zen 3, but this is the highest level this system supports
+    mArch = "GENERIC_V4";
+  };
+
   fileSystems."/media/games" = {
     device = "/dev/disk/by-uuid/1878136e-765d-4784-b204-3536ab4fdac8";
     fsType = "f2fs";