Update legacy code

depends.txt

@@ -1,4 +1,3 @@
 mana?
-intllib?
 doc?
 doc_items?

init.lua

@@ -1,9 +1,4 @@
-local S
-if (minetest.get_modpath("intllib")) then
-	S = intllib.Getter()
-else
-	S = function(s,a,...)a={a,...}return s:gsub("@(%d+)",function(n)return a[tonumber(n)]end)end
-end
+local S = minetest.get_translator("returnmirror")
 
 local returnmirror = {}
 returnmirror.cost_teleport = 200
@@ -47,7 +42,7 @@ returnmirror.set_position_inactive = function(itemstack, user, pointed_thing)
 		end
 	end
 
-	local pos = user:getpos()
+	local pos = user:get_pos()
 	if returnmirror.mana_check(user, returnmirror.cost_set) then
 		local newitem = ItemStack("returnmirror:mirror_active")
 		newitem:set_metadata(minetest.pos_to_string(pos))