Use engine translator, ditch intllib

depends.txt

@@ -1,3 +1,2 @@
 sfinv?
 sfinv_buttons?
-intllib?

init.lua

@@ -21,8 +21,7 @@ local show_formspec = mt.show_formspec
 local get_player_by_name = mt.get_player_by_name
 local serialize, deserialize = mt.serialize, mt.deserialize
 
--- Intllib
-local S = dofile(mt.get_modpath("craftguide") .. "/intllib.lua")
+local S = mt.get_translator("craftguide")
 
 -- Lua 5.3 removed `table.maxn`, use this alternative in case of breakage:
 -- https://github.com/kilbith/xdecor/blob/master/handlers/helpers.lua#L1

intllib.lua

@@ -1,45 +0,0 @@
-
--- Fallback functions for when `intllib` is not installed.
--- Code released under Unlicense <http://unlicense.org>.
-
--- Get the latest version of this file at:
---   https://raw.githubusercontent.com/minetest-mods/intllib/master/lib/intllib.lua
-
-local function format(str, ...)
-	local args = { ... }
-	local function repl(escape, open, num, close)
-		if escape == "" then
-			local replacement = tostring(args[tonumber(num)])
-			if open == "" then
-				replacement = replacement..close
-			end
-			return replacement
-		else
-			return "@"..open..num..close
-		end
-	end
-	return (str:gsub("(@?)@(%(?)(%d+)(%)?)", repl))
-end
-
-local gettext, ngettext
-if minetest.get_modpath("intllib") then
-	if intllib.make_gettext_pair then
-		-- New method using gettext.
-		gettext, ngettext = intllib.make_gettext_pair()
-	else
-		-- Old method using text files.
-		gettext = intllib.Getter()
-	end
-end
-
--- Fill in missing functions.
-
-gettext = gettext or function(msgid, ...)
-	return format(msgid, ...)
-end
-
-ngettext = ngettext or function(msgid, msgid_plural, n, ...)
-	return format(n==1 and msgid or msgid_plural, ...)
-end
-
-return gettext, ngettext