darwin: remove some pacakges

this works for homebrew and doesnt work on nix due to $PATH orders

users/guanranwang/darwin/profiles/core/home/default.nix

@@ -1,13 +1,5 @@
-{pkgs, ...}: {
+{...}: {
   imports = [
     ../../../../home-manager
   ];
-  home.packages = with pkgs; [
-    ### Outdated macOS components
-    coreutils
-    vim
-    gnugrep
-    openssh
-    screen
-  ];
 }