modules/darwin/remote-builder: drop ssh activation script

modules/darwin/remote-builder.nix

@@ -12,9 +12,4 @@
     createHome = true;
     shell = "/bin/zsh";
   };
-
-  # add build user to group for ssh access
-  system.activationScripts.postActivation.text = ''
-    dseditgroup -o edit -a "nix" -t user com.apple.access_ssh
-  '';
 }