DB/Misc: Delete duplicate file

sql/updates/world/3.3.5/2016_05_99_99_world.sql

@@ -1,4 +0,0 @@
-DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_ioc_seaforium_blast_credit';
-INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES 
-(66676, 'spell_ioc_seaforium_blast_credit'),
-(66672, 'spell_ioc_seaforium_blast_credit');