Core/Battle.net: Query optimizations part2 - made all queries asynchronous

sql/base/auth_database.sql

@@ -180,7 +180,6 @@ CREATE TABLE `battlenet_account_bans` (
   `unbandate` int(10) unsigned NOT NULL DEFAULT '0',
   `bannedby` varchar(50) NOT NULL,
   `banreason` varchar(255) NOT NULL,
-  `active` tinyint(3) unsigned NOT NULL DEFAULT '1',
   PRIMARY KEY (`id`,`bandate`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Ban List';
 /*!40101 SET character_set_client = @saved_cs_client */;

sql/updates/auth/2015_04_11_01_auth.sql

@@ -0,0 +1 @@
+ALTER TABLE `battlenet_account_bans` DROP COLUMN `active`;