fix deprecated options

modules/core/default.nix

@@ -14,7 +14,7 @@ in
       [ (import ./bootloader.nix) ]
       ++ [ (import ./hardware.nix) ]
       ++ [ (import ./xserver.nix) ]
-      ++ [ (import ./steam.nix) ]
+      # ++ [ (import ./steam.nix) ]
       ++ [ (import ./network.nix) ]
       ++ [ (import ./pipewire.nix) ]
       ++ [ (import ./program.nix) ]

modules/core/steam.nix

@@ -11,4 +11,11 @@
     "steam-original"
     "steam-runtime"
   ];
+  # proton-ge-bin
+
+#   warning: The package proton-ge in nix-gaming has been deprecated as of 2024-03-17.
+
+# You should use proton-ge-bin from Nixpkgs, which conforms to
+# the new `extraCompatTools` module option under `programs.steam`
+# For details, see the relevant pull request:
 }