Core/Spells: fixed Impact talent

* converted Living Bomb spell script to new model

sql/updates/world/custom/custom_2019_05_12_02_world.sql

@@ -0,0 +1,9 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName` IN 
+('spell_mage_impact',
+'spell_mage_impact_triggered');
+
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(-11103, 'spell_mage_impact'),
+(12355, 'spell_mage_impact_triggered');
+
+UPDATE `spell_proc` SET `SpellTypeMask`= 1 WHERE `SpellId`= 64343;