discord: Fix sandbox and desktop item

packages/applications/networking/instant-messengers/discord/default.nix

@@ -1,5 +1,6 @@
 {
   lib, stdenv, pkgs
+, makeDesktopItem
 , extraStartupArgs ? ""
 }:
 
@@ -8,7 +9,7 @@ pkgs.discord.overrideAttrs (old: let
     gtk3 = pkgs.gtk3;
     binaryName = "Discord";
     system-electron = "$out/opt/${binaryName}/system-electron.sh";
-  in {
+  in rec {
     nativeBuildInputs = with pkgs; old.nativeBuildInputs ++ [ electron asar ];
     buildPhase = ''
       ${asar}/bin/asar e resources/app.asar resources/app
@@ -35,7 +36,6 @@ pkgs.discord.overrideAttrs (old: let
       # Without || true the install would fail on case-insensitive filesystems
       ln -s ${system-electron} $out/bin/${lib.strings.toLower binaryName} || true
       ln -s $out/opt/${binaryName}/discord.png $out/share/pixmaps/${old.pname}.png
-      ln -s "${old.desktopItem}/share/applications" $out/share/
     '';
-    desktopItem = null;
+    desktopItem = null; 
   })

packages/applications/networking/instant-messengers/discord/desktop.nix

@@ -1,11 +0,0 @@
-{ stdenv, lib, makeDesktopItem, discord }:
-
-makeDesktopItem {
-  name = "Discord";
-  exec = "${discord}/bin/Discord";
-  icon = "discord";
-  comment = "All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone.";
-  genericName = "Internet Messenger";
-  desktopName = "Discord";
-  categories = "Network;InstantMessaging;";
-}

packages/applications/networking/instant-messengers/discord/wrapped.nix

@@ -1,14 +0,0 @@
-{ writeScript, runtimeShell, buildFHSUserEnvBubblewrap, discord }:
-
-buildFHSUserEnvBubblewrap {
-  name = "discord";
-  runScript = ''
-    #!${runtimeShell}
-    exec ${discord}/bin/Discord $@
-  '';
-
-  specifyHomeDirs = true;
-  mountInHome = ".config/discord";
-  additionalBlacklist = [ "/mnt" ];
-  chdirTo = "/home/$USER";
-}