minor cleanup; use gamescope default args instead of wrapper

configuration/modules/gaming.nix

@@ -8,14 +8,13 @@
   programs.gamescope = {
     enable = true;
     # capSysNice = true;
-    # args = [
-    #   "-H 1080"
-    # ];
+    args = [
+      "-H 1080"
+    ];
   };
   programs.steam = {
     enable = true;
     remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
-    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
     gamescopeSession.enable = true;
     protontricks.enable = true;
     extraCompatPackages = [ pkgs.proton-ge-bin ];