trash sfa_config.php

trash sfa_config.php
first the CM not functional on nodes
on top this now gets PHP to whine like this :
[03-Apr-2013 12:47:30] PHP Warning:  file_exists(): open_basedir restriction in effect. File(/etc/sfa/sfa_component_config) is not within the allowed path(s): (/var/www/html:/etc/planetlab/php:/usr/share/plc_api/php:/var/log/myslice:/var/tmp/bootmedium:/var/log/bm:/tmp) in /var/www/html/PlanetLabConf/sfa_config.php on line 9