fix luacheck

hud.lua

@@ -37,7 +37,6 @@ minetest.register_globalstep(function(dtime)
 				else
 					faction_info = table.concat(area.faction_open, ", ")
 				end
-
 				if changed then
 					areas:save()
 				end
@@ -93,14 +92,6 @@ minetest.register_on_leaveplayer(function(player)
 	areas.hud[player:get_player_name()] = nil
 end)
 
-local function tablefind(tab,el)
-	for index, value in pairs(tab) do
-		if value == el then
-			return index
-		end
-	end
-end
-
 minetest.register_chatcommand("area_hud_hide", {
 	params = "",
 	description = S("Show or hide the area HUD element"),