remove from Xfce4 group; FS#22517

PKGBUILD

@@ -3,12 +3,11 @@
 
 pkgname=libxfce4ui
 pkgver=4.8.0
-pkgrel=1
+pkgrel=2
 pkgdesc="share commonly used Xfce widgets among the Xfce applications"
 arch=('i686' 'x86_64')
 license=('GPL2')
 url="http://www.xfce.org/"
-groups=('xfce4')
 depends=('libxfce4util>=4.8.0' 'gtk2' "xfconf>=4.8.0" 'startup-notification') 
 makedepends=('intltool' 'gtk-doc' 'glade')
 optdepends=('glade: for using the included glade module')