Retro-updated mesecons

This revert mods/mesecons' part of commit d57a4701f2

mods/mesecons/mesecons_noteblock/init.lua

@@ -61,15 +61,9 @@ mesecon.noteblock_play = function (pos, param2)
 	if block_below_name == "default:glass" then
 		soundname="mesecons_noteblock_hihat"
 	end
-	if block_below_name == "default:steelblock" then
-		soundname=soundname.."2" -- Go up an octave.
-	end
 	if block_below_name == "default:stone" then
 		soundname="mesecons_noteblock_kick"
 	end
-	if block_below_name == "default:lava_source" then
-		soundname="fire_large"
-	end
 	if block_below_name == "default:chest" then
 		soundname="mesecons_noteblock_snare"
 	end
@@ -79,9 +73,6 @@ mesecon.noteblock_play = function (pos, param2)
 	if block_below_name == "default:wood" then
 		soundname="mesecons_noteblock_litecrash"
 	end
-	if block_below_name == "default:coalblock" then
-		soundname="tnt_explode"
-	end
 	minetest.sound_play(soundname,
 	{pos = pos, gain = 1.0, max_hear_distance = 32,})
 end