(vips) remove odd logic

src/etc/inc/interfaces.inc

@@ -1916,24 +1916,15 @@ function interfaces_vips_configure($interface = '')
         $carp_setuped = false;
         $anyproxyarp = false;
         foreach ($config['virtualip']['vip'] as $vip) {
+            if ($interface == "" || $vip['interface'] == $interface) {
                 switch ($vip['mode']) {
                     case "proxyarp":
-                    /* nothing it is handled on interface_proxyarp_configure() */
-                    if ($interface <> "" && $vip['interface'] <> $interface) {
-                        continue;
-                    }
                         $anyproxyarp = true;
                         break;
                     case "ipalias":
-                    if ($interface <> "" && $vip['interface'] <> $interface) {
-                        continue;
-                    }
                         interface_ipalias_configure($vip);
                         break;
                     case "carp":
-                    if ($interface <> "" && $vip['interface'] <> $interface) {
-                        continue;
-                    }
                         if ($carp_setuped == false) {
                             $carp_setuped = true;
                         }
@@ -1941,6 +1932,7 @@ function interfaces_vips_configure($interface = '')
                         break;
                 }
             }
+        }
         if ($carp_setuped == true) {
             interfaces_carp_setup();
         }