Use new setting functions

init.lua

@@ -51,7 +51,8 @@ end
 
 -- infinite stacks checking
 
-if minetest.get_modpath("unified_inventory") or not minetest.setting_getbool("creative_mode") then
+if minetest.get_modpath"unified_inventory"
+or not minetest.settings:get_bool"creative_mode" then
 	moretrees.expect_infinite_stacks = false
 else
 	moretrees.expect_infinite_stacks = true