little-lightning: remove testing pam stuff

hosts/little-lightning/configuration.nix

@@ -1,8 +1,4 @@
 { pkgs, lib, self, ... }: {
-  imports = [
-    ./darwin-modules/pam.nix
-  ];
-
   # List packages installed in system profile. To search by name, run:
   # $ nix-env -qaP | grep wget
   environment.systemPackages = [ ];
@@ -60,7 +56,6 @@
   ];
 
   security.pam.enableSudoTouchIdAuth = true;
-  security.pam.enableSudoTouchIdReattach = true;
 
   users.users.zynh = {
     name = "zynh";