linux-pam: remove cracklib dependency

upstream removed cracklib integration for password strength
checking back in version 1.5.0 [1], commit d702ff714c309069111899fd07c09e31c414c166 [2].

linux-pam upstream now recommends the pam modules provided by
libpwquality or passwdqc, both of which are available in nixpkgs.

[1] https://github.com/linux-pam/linux-pam/releases/tag/v1.5.0
[2] d702ff714c

pkgs/by-name/li/linux-pam/package.nix

@@ -4,7 +4,6 @@
   buildPackages,
   fetchurl,
   flex,
-  cracklib,
   db4,
   gettext,
   audit,
@@ -51,7 +50,6 @@ stdenv.mkDerivation rec {
   ] ++ lib.optional stdenv.buildPlatform.isDarwin gettext;
 
   buildInputs = [
-    cracklib
     db4
     libxcrypt
   ] ++ lib.optional stdenv.buildPlatform.isLinux audit;