DB/Quest: Magic Carpet Ride

Remove a wrong spell used to ride the carpet
Closes #15418

sql/updates/world/2015_09_03_06_world.sql

@@ -0,0 +1,5 @@
+-- 
+DELETE FROM `smart_scripts` WHERE `entryorguid`=2546000 AND `source_type`=9 AND `id`=0 AND `action_type`=11;
+UPDATE `smart_scripts` SET `id`=0 WHERE `entryorguid`=2546000 AND `source_type`=9 AND `id`=1 AND `action_type`=53;
+
+DELETE FROM `creature_addon` WHERE `guid`=137997; -- fix a DB error