DB/FL: removed wrong magma orb smart script

sql/updates/world/custom/custom_2019_05_27_00_world.sql

@@ -0,0 +1,3 @@
+SET @ENTRY := 54299;
+UPDATE `creature_template` SET `AIName`="" WHERE `entry`= @ENTRY;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=@ENTRY AND `source_type`=0;