Core/ObjectMgr: Refactor sInstanceTemplate

sql/base/world_database.sql

@@ -2847,10 +2847,6 @@ DROP TABLE IF EXISTS `instance_template`;
 CREATE TABLE `instance_template` (
   `map` smallint(5) unsigned NOT NULL,
   `parent` int(10) unsigned NOT NULL,
-  `startLocX` float DEFAULT NULL,
-  `startLocY` float DEFAULT NULL,
-  `startLocZ` float DEFAULT NULL,
-  `startLocO` float DEFAULT NULL,
   `script` varchar(128) NOT NULL DEFAULT '',
   `allowMount` tinyint(1) NOT NULL DEFAULT '0',
   PRIMARY KEY (`map`)

sql/updates/world/2011_04_28_00_world_instance_template.sql

@@ -0,0 +1,6 @@
+ALTER TABLE `instance_template`
+DROP COLUMN `startLocX`,
+DROP COLUMN `startLocY`,
+DROP COLUMN `startLocZ`,
+DROP COLUMN `startLocO`,
+CHANGE `parent` `parent` SMALLINT(5) UNSIGNED NOT NULL;