feat: update phpldapadmin and clean it up

hosts/fw/pkgs/default.nix

@@ -3,5 +3,4 @@ let
   pkgs = import <nixpkgs> {};
 in
 {
-  phpLDAPadmin = pkgs.callPackage ./phpldapadmin.nix { };
 }

hosts/fw/pkgs/phpldapadmin.nix

@@ -1,23 +0,0 @@
-{ fetchurl, lib, stdenv }:
-
-stdenv.mkDerivation rec {
-  pname      = "phpLDAPadmin";
-  version    = "2.1.4";
-
-  src = fetchurl {
-    url    = "https://github.com/leenooks/phpLDAPadmin/archive/${version}.tar.gz";
-    sha256 = "hkigC458YSgAZVCzVznix8ktDBuQm+UH3ujXn9Umylc=";
-  };
-
-  installPhase = ''
-    mkdir -p $out
-    cp -r . $out/
-    ln -sf /etc/phpldapadmin/env $out/.env
-  '';
-
-  meta = {
-    description = "phpLDAPadmin";
-    license     = lib.licenses.gpl3;
-    platforms   = lib.platforms.all;
-  };
-}