blueman: move defaults to package file

pkgs/tools/bluetooth/blueman/default.nix

@@ -1,7 +1,7 @@
-{ stdenv, lib, fetchurl, intltool, pkgconfig, python3Packages, bluez, gtk3
+{ config, stdenv, lib, fetchurl, intltool, pkgconfig, python3Packages, bluez, gtk3
 , obex_data_server, xdg_utils, libnotify, dnsmasq, dhcp
 , hicolor-icon-theme, librsvg, wrapGAppsHook, gobject-introspection
-, withPulseAudio ? true, libpulseaudio }:
+, withPulseAudio ? config.pulseaudio or stdenv.isLinux, libpulseaudio }:
 
 let
   pythonPackages = python3Packages;

pkgs/top-level/all-packages.nix

@@ -1762,9 +1762,7 @@ in
     inherit (python27Packages) pillow;
   };
 
-  blueman = callPackage ../tools/bluetooth/blueman {
-    withPulseAudio = config.pulseaudio or true;
-  };
+  blueman = callPackage ../tools/bluetooth/blueman { };
 
   bmrsa = callPackage ../tools/security/bmrsa/11.nix { };