removed some steam settings

nixos/gaming/default.nix

@@ -8,26 +8,10 @@
   programs.gamemode = {
     enable = true;
     enableRenice = true;
-    settings = {
-      general = {
-        renice = 10;
-        softrealtime = "auto";
-        ioprio = 0;
-      };
-      gpu = {
-        apply_gpu_optimisations = "accept-responsibility";
-        gpu_device = 0;
-      };
-      cpu = {
-        park_cores = "no";
-        pin_cores = "yes";
-      };
-    };
   };
 
   environment.systemPackages = with pkgs; [
-    gamescope
     protonup-qt
     mangohud
   ];
-}
+}