desktop-firsttime.sh: don't install desktop-common archive to avoid duplicated trashbin in lxde

Also removes trashbin in KDE desktop but this is intentional.

desktop/desktop-firsttime.sh.in

@@ -5,7 +5,7 @@
 # This file is called by startkde after the kpersonalizer has been
 # executed for first access configuration
 #
-# Copyright (c) 2005-2012 by Silvan Calarco <silvan.calarco@mambasoft.it>
+# Copyright (c) 2005-2014 by Silvan Calarco <silvan.calarco@mambasoft.it>
 # Copyright (c) 2007 by Davide Madrisan <davide.madrisan@gmail.com>
 
 if [ ! -e $HOME/Desktop/.directory ]; then
@@ -20,7 +20,6 @@ if [ ! -e $HOME/Desktop/.directory ]; then
    if [ -r @distrodesktopdir@/desktop-$LANG_ADD.tar.bz2 ]; then
       mkdir -p $HOME/Desktop
       ( cd $HOME/Desktop >/dev/null
-        tar xjf @distrodesktopdir@/desktop-common.tar.bz2
         tar xjf @distrodesktopdir@/desktop-$LANG_ADD.tar.bz2 )
    fi