plugins: no need for $config if not used

src/etc/inc/plugins.inc.d/ipsec.inc

@@ -351,8 +351,6 @@ function ipsec_get_phase1_src(&$ph1ent)
  */
 function ipsec_idinfo_to_cidr(&$idinfo, $addrbits = false, $mode = '')
 {
-    global $config;
-
     switch ($idinfo['type']) {
         case "address":
             if ($addrbits) {
@@ -558,8 +556,10 @@ function ipsec_mobilekey_sort()
 function ipsec_get_number_of_phase2($ikeid)
 {
     global $config;
+
     $a_phase2 = $config['ipsec']['phase2'];
-    $nbph2=0;
+    $nbph2 = 0;
+
     if (is_array($a_phase2) && count($a_phase2)) {
         foreach ($a_phase2 as $ph2tmp) {
             if ($ph2tmp['ikeid'] == $ikeid) {
@@ -567,6 +567,7 @@ function ipsec_get_number_of_phase2($ikeid)
             }
         }
     }
+
     return $nbph2;
 }
 

src/etc/inc/plugins.inc.d/openssh.inc

@@ -47,8 +47,6 @@ function openssh_configure()
 
 function openssh_services()
 {
-    global $config;
-
     $services = array();
 
     if (openssh_enabled()) {

src/etc/inc/plugins.inc.d/openvpn.inc

@@ -468,8 +468,6 @@ function openvpn_add_keyfile($data, &$conf, $mode_id, $directive, $opt = '')
 
 function openvpn_reconfigure($mode, $settings, $device_only = false)
 {
-    global $config;
-
     if (empty($settings)) {
         return;
     }
@@ -914,8 +912,6 @@ function openvpn_reconfigure($mode, $settings, $device_only = false)
 
 function openvpn_restart($mode, $settings)
 {
-    global $config;
-
     $vpnid = $settings['vpnid'];
     $mode_id = $mode.$vpnid;
 
@@ -953,8 +949,6 @@ function openvpn_restart($mode, $settings)
 
 function openvpn_delete($mode, &$settings)
 {
-    global $config;
-
     $vpnid = $settings['vpnid'];
     $mode_id = $mode.$vpnid;
 

src/etc/inc/plugins.inc.d/unbound.inc

@@ -79,8 +79,6 @@ function unbound_xmlrpc_sync()
 
 function unbound_optimization()
 {
-    global $config;
-
     $optimization_settings = array();
 
     /*