got rocket league actually working

modules/gaming.nix

@@ -8,38 +8,10 @@
       heroic
       legendary-gl
       prismlauncher
-    ]
-    ++ builtins.attrValues (inputs.nix-gaming.lib.legendaryBuilder
-      {
-        inherit (pkgs) system;
-
-        games = {
-          rocket-league = {
-            desktopName = "Rocket League";
-
-            tricks = ["dxvk" "win10"];
-
-            icon = builtins.fetchurl {
-              url = "https://user-images.githubusercontent.com/36706276/203341314-eaaa0659-9b79-4f40-8b4a-9bc1f2b17e45.png";
-              name = "rocket-league.png";
-              sha256 = "0a9ayr3vwsmljy7dpf8wgichsbj4i4wrmd8awv2hffab82fz4ykb";
-            };
-
-            discordIntegration = false;
-            gamemodeIntegration = false;
-
-            preCommands = ''
-              echo "the game will start!"
-            '';
-
-            postCommands = ''
-              echo "the game has stopped!"
-            '';
-          };
-        };
-
-        opts = {
-          wine = inputs.nix-gaming.packages.${pkgs.system}.wine-tkg;
-        };
-      });
+    ];
+    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
+};
 }