pkgs/games/doom-ports: migrate to by-name (#457411)

pkgs/by-name/za/zandronum-server/package.nix

@@ -0,0 +1,7 @@
+{
+  zandronum,
+}:
+
+zandronum.override {
+  serverOnly = true;
+}

pkgs/top-level/all-packages.nix

@@ -12999,18 +12999,6 @@ with pkgs;
 
   vanillara = callPackage ../by-name/va/vanillatd/package.nix { appName = "vanillara"; };
 
-  ### GAMES/DOOM-PORTS
-
-  enyo-launcher = libsForQt5.callPackage ../games/doom-ports/enyo-launcher { };
-
-  zandronum = callPackage ../games/doom-ports/zandronum { };
-
-  zandronum-server = zandronum.override {
-    serverOnly = true;
-  };
-
-  fmodex = callPackage ../games/doom-ports/zandronum/fmod.nix { };
-
   anki-utils = callPackage ../by-name/an/anki/addons/anki-utils.nix { };
   ankiAddons = recurseIntoAttrs (callPackage ../by-name/an/anki/addons { });