Remove oomd setting from nix slice

home/apps/ghostty.nix

···
         confirm-close-surface = false
         quit-after-last-window-closed = true
 
-        linux-cgroup = always
+        linux-cgroup = single-instance
 
         macos-option-as-alt = left
         macos-titlebar-style = tabs

modules/desktop/affinity.nix

···
       type = types.bool;
     };
 
+    oomd = mkOption {
+      default = false;
+      example = true;
+      description = "Enable systemd-oomd";
+      type = types.bool;
+    };
+
     performanceCores = mkOption {
       type = with types; listOf ints.unsigned;
       default = [ ];
···
       ++ optionals (performance != "") [ "nohz_full=${performance}" ];
 
     systemd = {
+      oomd.enable = false;
       user.slices = {
         background.sliceConfig = {
           AllowedCPUs = efficiency;
···
         nix.sliceConfig = mkIf cfg.affinity.isolateNixDaemon {
           CPUQuota = "80%";
           IOWeight = 90;
-          ManagedOOMMemoryPressure = "kill";
-          ManagedOOMMemoryPressureLimit = "80%";
         };
       };
       services = {