(legacy) cleanup dependencies

src/etc/inc/upgrade_config.inc

@@ -27,7 +27,6 @@
 	POSSIBILITY OF SUCH DAMAGE.
  */
 
-require_once("services.inc");
 
 function dump_rrd_to_xml($rrddatabase, $xmldumpfile)
 {

src/etc/rc.bootup

@@ -120,7 +120,11 @@ require_once("config.console.inc");
 echo ".";
 require_once("auth.inc");
 echo ".";
-require_once("functions.inc");
+require_once("interfaces.inc");
+require_once("services.inc");
+require_once("pfsense-utils.inc");
+require_once("system.inc");
+require_once("vslb.inc");
 echo ".";
 require_once("filter.inc");
 echo ".";