remove getVolume from captive portal radius (non functional)

related to https://github.com/opnsense/core/issues/162

src/captiveportal/radius_accounting.inc

@@ -159,11 +159,10 @@ function RADIUS_ACCOUNTING_STOP($ruleno,$username,$sessionid,$start_time,$radius
     $radiusvendor = $config['captiveportal'][$cpzone]['radiusvendor'] ? $config['captiveportal'][$cpzone]['radiusvendor'] : null;
     $stop_time = (empty($stop_time)) ? time() : $stop_time;
     $session_time = $stop_time - $start_time;
-    $volume = getVolume($clientip, $clientmac);
-    $volume['input_bytes_radius'] = remainder($volume['input_bytes']);
-    $volume['input_gigawords'] = gigawords($volume['input_bytes']);
-    $volume['output_bytes_radius'] = remainder($volume['output_bytes']);
-    $volume['output_gigawords'] = gigawords($volume['output_bytes']);
+    $volume['input_bytes_radius'] = remainder(0);
+    $volume['input_gigawords'] = gigawords(0);
+    $volume['output_bytes_radius'] = remainder(0);
+    $volume['output_gigawords'] = gigawords(0);
 
     switch($radiusvendor) {
 

src/etc/inc/captiveportal.inc

@@ -1141,53 +1141,6 @@ function captiveportal_free_dn_ruleno($ruleno) {
 }
 
 
-
-/**
- * This function will calculate the traffic produced by a client
- * based on its firewall rule
- *
- * Point of view: NAS
- *
- * Input means: from the client
- * Output means: to the client
- *
- */
-
-function getVolume($ip, $mac = NULL) {
-    global $config, $cpzone;
-
-    $reverse = empty($config['captiveportal'][$cpzone]['reverseacct']) ? false : true;
-    $volume = array();
-    // Initialize vars properly, since we don't want NULL vars
-    $volume['input_pkts'] = $volume['input_bytes'] = $volume['output_pkts'] = $volume['output_bytes'] = 0 ;
-
-    $ipfw = pfSense_ipfw_getTablestats($cpzone, 1, $ip, $mac);
-    if (is_array($ipfw)) {
-        if ($reverse) {
-            $volume['output_pkts'] = $ipfw['packets'];
-            $volume['output_bytes'] = $ipfw['bytes'];
-        }
-        else {
-            $volume['input_pkts'] = $ipfw['packets'];
-            $volume['input_bytes'] = $ipfw['bytes'];
-        }
-    }
-
-    $ipfw = pfSense_ipfw_getTablestats($cpzone, 2, $ip);
-    if (is_array($ipfw)) {
-        if ($reverse) {
-            $volume['input_pkts'] = $ipfw['packets'];
-            $volume['input_bytes'] = $ipfw['bytes'];
-        }
-        else {
-            $volume['output_pkts'] = $ipfw['packets'];
-            $volume['output_bytes'] = $ipfw['bytes'];
-        }
-    }
-
-    return $volume;
-}
-
 /**
  * Get the NAS-IP-Address based on the current wan address
  *