Delegate ItemStack (#10852)

patches/server/ItemStack-repair-check-API.patch

@@ -69,11 +69,4 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +
 +        assertFalse(diamond.canRepair(new ItemStack(Material.OAK_BUTTON)), "diamond can repair oak button");
 +    }
-+
-+    @Test
-+    public void testInvalidItem() {
-+        ItemStack badItemStack = new ItemStack(Material.ACACIA_WALL_SIGN);
-+
-+        assertFalse(badItemStack.isRepairableBy(new ItemStack(Material.DIAMOND)), "acacia wall sign is repairable by diamond");
-+    }
 +}