feat: drop sched-ext

hosts/imxyy-nix-server/hardware.nix

@@ -19,10 +19,6 @@ in
   boot.initrd.kernelModules = [ "amdgpu" ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.kernelPackages = lib.mkForce pkgs.linuxPackages_xanmod_stable;
-  services.scx = {
-    enable = true;
-    scheduler = "scx_rusty";
-  };
   boot.extraModulePackages = [ ];
   boot.tmp.useTmpfs = true;
   boot.supportedFilesystems = [ "zfs" ];

hosts/imxyy-nix-x16/hardware.nix

@@ -29,10 +29,6 @@ in
       "fs.file-max" = 9223372036854775807;
     };
   };
-  services.scx = {
-    enable = true;
-    scheduler = "scx_rusty";
-  };
 
   fileSystems."/" = {
     device = btrfs;

hosts/imxyy-nix/hardware.nix

@@ -36,10 +36,6 @@ in
       "resume_offset=6444127"
     ];
   };
-  services.scx = {
-    enable = true;
-    scheduler = "scx_rusty";
-  };
 
   fileSystems."/" = {
     device = btrfs;