Core/Scripts: Fix startup errors

sql/updates/world/2016_02_22_03_world.sql

@@ -0,0 +1,7 @@
+-- 
+-- Spell removed in 4.3.4
+DELETE FROM `spell_script_names` WHERE `spell_id`=52916;
+-- Use DBC values
+UPDATE `spell_proc_event` SET `CustomChance`=0, `Cooldown`=0 WHERE `entry` IN (51698,51700,51701);
+-- Remove no longer existing script
+UPDATE `gameobject_template` SET `ScriptName`='' WHERE `entry`=177226;