[eww] Remove uninstalled steam game. [nix] adds some comments.

home-manager/features/gaming.nix

@@ -1,4 +1,8 @@
 { pkgs, local, ... }:
+# TODO: This is an attempt to patch the desktop file by actually using the old
+# one so I don't have to put in all the options like below. This will generate
+# the correct file, however, xdg.dataFile."applications/wowup-cf.desktop"
+# doesn't seem to actually overrwite it, even with force = true.
 # let
 #   patched-desktop =
 #     pkgs.runCommand "patched-wowup-cf-desktop"