remove !libtool

PKGBUILD

@@ -15,7 +15,6 @@ depends=('startup-notification' 'libxml2' 'libxinerama' 'libxrandr'
 optdepends=('kdebase-workspace: for the KDE/Openbox xsession'
             'python2-xdg: for the openbox-xdg-autostart script')
 groups=('lxde')
-options=('!libtool')
 backup=('etc/xdg/openbox/menu.xml' 'etc/xdg/openbox/rc.xml'
         'etc/xdg/openbox/autostart' 'etc/xdg/openbox/environment')
 source=(http://www.icculus.org/openbox/releases/$pkgname-$pkgver.tar.gz