mutt: remove ? null from packages (#359273)

Changed files
+6 -6
pkgs
by-name
mu
+6 -6
pkgs/by-name/mu/mutt/package.nix
···
{ lib, stdenv, fetchurl, fetchpatch, ncurses, which, perl
-
, gdbm ? null
-
, openssl ? null
-
, cyrus_sasl ? null
-
, gnupg ? null
-
, gpgme ? null
-
, libkrb5 ? null
+
, gdbm
+
, openssl
+
, cyrus_sasl
+
, gnupg
+
, gpgme
+
, libkrb5
, headerCache ? true
, sslSupport ? true
, saslSupport ? true