remove redundant functions from pkgs that are in trivionomicon

pkgs/default.nix

@@ -5,10 +5,8 @@
 with prev.lib; let
   inherit (final) callPackage fetchpatch;
 in {
-  lib = callPackage ./lib {};
-
   override =
-    {
+    {# add python modules here to make them available in all versions
     }
     // (
       let

pkgs/lib/default.nix

@@ -1,3 +0,0 @@
-{callPackage}: {
-  importAll = callPackage ./importAll.nix {};
-}

pkgs/lib/importAll.nix

@@ -1,20 +0,0 @@
-{lib}: {
-  root,
-  exclude ? [],
-}:
-with builtins;
-with lib;
-# http://chriswarbo.net/projects/nixos/useful_hacks.html
-  let
-    basename = removeSuffix ".nix";
-
-    isMatch = name: type:
-      (hasSuffix ".nix" name || type == "directory")
-      && ! elem name (map basename exclude);
-
-    entry = name: _: {
-      name = basename name;
-      value = import (root + "/${name}");
-    };
-  in
-    mapAttrs' entry (filterAttrs isMatch (readDir root))