Remove "wild" nether wart, remove natural wither skelly spawning

wither skellys spawn on bridges now, enough wart in outposts
and bulwarks

mods/ENTITIES/mobs_mc/skeleton_wither.lua

@@ -99,6 +99,7 @@ mcl_mobs:register_mob("mobs_mc:witherskeleton", {
 })
 
 --spawn
+--[[]
 mcl_mobs:spawn_specific(
 "mobs_mc:witherskeleton",
 "nether",
@@ -114,6 +115,6 @@ mcl_mobs:spawn_specific(
 5,
 mcl_vars.mg_nether_min,
 mcl_vars.mg_nether_max)
-
+--]]
 -- spawn eggs
 mcl_mobs:register_egg("mobs_mc:witherskeleton", S("Wither Skeleton"), "#141414", "#474d4d", 0)

mods/MAPGEN/mcl_biomes/init.lua

@@ -4760,17 +4760,6 @@ local function register_dimension_decorations()
 		flags = "all_floors",
 		decoration = "mcl_mushrooms:mushroom_red",
 	})
-	minetest.register_decoration({
-		deco_type = "simple",
-		place_on = {"mcl_nether:soul_sand"},
-		sidelen = 16,
-		fill_ratio = 0.0032,
-		biomes = {"Nether","SoulsandValley"},
-		y_min = mcl_vars.mg_lava_nether_max + 1,
-		y_max = mcl_vars.mg_nether_max  - 1,
-		flags = "all_floors",
-		decoration = "mcl_nether:nether_wart",
-	})
 
 	-- WARPED FOREST
 	minetest.register_decoration({