feeds: remove the useless super-package: feeds can just be an ordinary attrset

pkgs/by-name/feeds/package.nix

@@ -3,14 +3,13 @@
   newScope,
   sane-data,
   static-nix-shell,
-  symlinkJoin,
-  writeShellScript,
 }:
 
 lib.recurseIntoAttrs (lib.makeScope newScope (self: with self; {
   updateWithSuper = false;  #< don't update feeds unless explicitly asked to by the user
 
   mkFeed = callPackage ./template.nix {};
+
   feed-pkgs = let
     byName = lib.mapAttrs
       (name: feed-details: mkFeed {
@@ -20,26 +19,8 @@ lib.recurseIntoAttrs (lib.makeScope newScope (self: with self; {
       })
       sane-data.feeds
     ;
-  in
-    symlinkJoin {
-      # this meta package exists primarily to link all the feed updaters
-      # into a single package which can *actually* be updated.
-      # it's not critical whether the actual package itself builds.
-      name = "feed-pkgs";
-      pname = "feed-pkgs";
-      version = "20230112";
-      paths = builtins.attrValues byName;
-      passthru = byName // {
-        updateScript = let
-          update-all-feeds = writeShellScript "update-all-feeds" (
-            lib.concatStringsSep "\n" (
-              builtins.map (p: lib.concatStringsSep " " p.updateScript) (lib.attrValues byName)
-            )
-          );
-        in
-          [ update-all-feeds ];
-      };
-    };
+  in lib.recurseIntoAttrs byName;
+
   update-feed = static-nix-shell.mkPython3 {
     pname = "update";
     srcRoot = ./.;