Use tin from MTG instead of `moreores` (#401)

Vitaliy

2018-07-21 d1b54a573c6287ea1d63b9c3f979c39058b1331a

 technic/machines/register/grinder_recipes.lua

@@ -15,6 +15,7 @@
   {"default:desert_stone",       "default:desert_sand"},
   {"default:gold_lump",          "technic:gold_dust 2"},
   {"default:iron_lump",          "technic:wrought_iron_dust 2"},
   {"default:tin_lump",           "technic:tin_dust 2"},
   {"technic:chromium_lump",      "technic:chromium_dust 2"},
   {"technic:uranium_lump",       "technic:uranium_dust 2"},
   {"technic:zinc_lump",          "technic:zinc_dust 2"},
@@ -43,7 +44,6 @@
if minetest.get_modpath("moreores") then
   table.insert(recipes, {"moreores:mithril_lump",   "technic:mithril_dust 2"})
   table.insert(recipes, {"moreores:silver_lump",    "technic:silver_dust 2"})
   table.insert(recipes, {"moreores:tin_lump",       "technic:tin_dust 2"})
end

if minetest.get_modpath("gloopores") or minetest.get_modpath("glooptest") then
@@ -94,9 +94,9 @@
register_dust("Mithril",         "moreores:mithril_ingot")
register_dust("Silver",          "moreores:silver_ingot")
register_dust("Stainless Steel", "technic:stainless_steel_ingot")
register_dust("Stone",            "default:stone")
register_dust("Stone",           "default:stone")
register_dust("Sulfur",          nil)
register_dust("Tin",             "moreores:tin_ingot")
register_dust("Tin",             "default:tin_ingot")
register_dust("Wrought Iron",    "technic:wrought_iron_ingot")
register_dust("Zinc",            "technic:zinc_ingot")
if minetest.get_modpath("gloopores") or minetest.get_modpath("glooptest") then