Remove on failure

src/freedombone-app-postactiv

     # Create the configuration
     postactiv_installer=/var/www/${POSTACTIV_DOMAIN_NAME}/htdocs/scripts/install_cli.php
     if [ ! -f $postactiv_installer ]; then
+        rm -rf /var/www/$POSTACTIV_DOMAIN_NAME
         echo $'No postactiv commandline installer found'
         exit 53026
     fi
     # check postactiv has a config file
     postactiv_config_file=/var/www/$POSTACTIV_DOMAIN_NAME/htdocs/config.php
     if [ ! -f $postactiv_config_file ]; then
+        rm -rf /var/www/$POSTACTIV_DOMAIN_NAME
         echo $'Postactiv config.php not found'
         exit 87586
     fi