modules/nixpkgs: remove pkgs default text

modules/top-level/nixpkgs.nix

@@ -34,20 +34,6 @@ in
 {
   options.nixpkgs = {
     pkgs = lib.mkOption {
-      # TODO:
-      # defaultText = lib.literalExpression ''
-      #   import "''${nixos}/.." {
-      #     inherit (cfg) config overlays localSystem crossSystem;
-      #   }
-      # '';
-      defaultText = lib.literalMD ''
-        If `useGlobalPackages` is true, `pkgs` is inherited from your host config
-        (i.e. NixOS, home-manager, or nix-darwin).
-        Or the `pkgs` supplied to `makeNixvimWithModule` when building a standalone nixvim.
-
-        > [!CAUTION]
-        > This default will be removed in a future version of nixvim
-      '';
       type = lib.types.pkgs // {
         description = "An evaluation of Nixpkgs; the top level attribute set of packages";
       };