SQL: Support for [L1906]. Removing unused collumns from item.sql. Thx Sami.

datapack_development/sql/items.sql

@@ -9,8 +9,6 @@ CREATE TABLE IF NOT EXISTS items (
   `enchant_level` INT,
   `loc` VARCHAR(10),      -- inventory,paperdoll,npc,clan warehouse,pet,and so on
   `loc_data` INT, -- depending on location: equiped slot,npc id,pet id,etc
-  `price_sell` INT,
-  `price_buy` INT,
   `time_of_use` INT, -- time of item use, for calculate of breackages
   `custom_type1` INT DEFAULT 0,
   `custom_type2` INT DEFAULT 0,

datapack_development/sql/updates/20080404update.sql

@@ -0,0 +1,2 @@
+ALTER TABLE items DROP COLUMN price_sell;
+ALTER TABLE items DROP COLUMN price_buy;