Update intllib support to avoid using deprecated functions

nodes.lua

@@ -5,7 +5,7 @@ Copyright © 2011-2019 Hugo Locurcio and contributors.
 Licensed under the zlib license. See LICENSE.md for more information.
 --]]
 
-local S = moreblocks.intllib
+local S = moreblocks.S
 
 local sound_dirt = default.node_sound_dirt_defaults()
 local sound_wood = default.node_sound_wood_defaults()