DB/Gameobject: Delete duplicate spawns

sql/updates/world/2016_08_21_07_world.sql

@@ -0,0 +1,3 @@
+--
+DELETE FROM `gameobject` WHERE `guid` IN (203050,203055,212756,212758,216476,216479,220581,220583);
+DELETE FROM `gameobject_addon` WHERE `guid` IN (203050,203055,212756,212758,216476,216479,220581,220583);