Reverted moreblocks and maptools updates

mods/moreblocks/stairsplus/conversion.lua

@@ -1,10 +1,3 @@
---[[
-More Blocks: conversion
-
-Copyright (c) 2011-2015 Calinou and contributors.
-Licensed under the zlib license. See LICENSE.md for more information.
---]]
-
 -- Function to convert all stairs/slabs/etc nodes from
 -- inverted, wall, etc to regular + 6d facedir