chuck all worthless settings stuff, remove disabled code

ferns/horsetail.lua

@@ -8,8 +8,6 @@
 -- Supports:				dryplants, stoneage, sumpf
 -----------------------------------------------------------------------------------------------
 
-assert(abstract_ferns.config.enable_horsetails == true)
-
 -- support for i18n
 local S = minetest.get_translator("ferns")
 -----------------------------------------------------------------------------------------------
@@ -71,101 +69,57 @@ end
 
 create_nodes()
 
------------------------------------------------------------------------------------------------
--- Spawning
------------------------------------------------------------------------------------------------
-if abstract_ferns.config.enable_horsetails_spawning == true then
-	minetest.register_abm({
-		nodenames = {
-			"default:dirt_with_grass",
-			"default:dirt_with_coniferous_litter",
-			"default:desert_sand",
-			"default:sand",
-			"dryplants:grass_short",
-			"stoneage:grass_with_silex",
-			"default:mossycobble",
-			"default:gravel"
-		},
-		interval = 1200,
-		chance = 400,
-		label = "[ferns] spawn horsetails",
-		min_y = 1,
-		max_y = 48,
-		action = function(pos, node)
-			local p_top = {x = pos.x, y = pos.y + 1, z = pos.z}
-			local n_top = minetest.get_node_or_nil(p_top)
-			if not n_top or n_top.name ~= "air" then return end
-
-			local NEAR_DST = 2
-			if #minetest.find_nodes_in_area(
-					{x=pos.x-NEAR_DST, y=pos.y-1, z=pos.z-NEAR_DST},
-					{x=pos.x+NEAR_DST, y=pos.y+1, z=pos.z+NEAR_DST},
-					{"default:water_source","default:river_water_source","default:gravel"}
-				) < 1 then return
-			end
-
-			local plant_to_spawn = node_names[math.random(1, #node_names)]
-
-			minetest.swap_node(p_top, {name = plant_to_spawn, param2 = 0})
-		end
-	})
-end
-
 -----------------------------------------------------------------------------------------------
 -- Generating
 -----------------------------------------------------------------------------------------------
 
-if abstract_ferns.config.enable_horsetails_on_grass == true then
-	biome_lib.register_on_generate({
-		surface = {
-			"default:dirt_with_grass",
-			"default:dirt_with_coniferous_litter", -- minetest >= 0.5
-			"sumpf:sumpf"
-		},
-		max_count = 35,
-		rarity = 40,
-		min_elevation = 1, -- above sea level
-		near_nodes = {
-			"group:water", -- likes water (of course)
-			"default:gravel", -- near those on gravel
-			"default:sand", -- some like sand
-			"default:clay", -- some like clay
-			"stoneage:grass_with_silex",
-			"default:mossycobble",
-			"default:cobble",
-			"sumpf:sumpf"
-		},
-		near_nodes_size = 3,
-		near_nodes_vertical = 2,--3,
-		near_nodes_count = 1,
-		plantlife_limit = -0.9,
-		humidity_min = 0.4,
-		temp_max = -0.5, -- 55 °C
-		temp_min = 0.53, -- 0 °C, dies back in winter
-		--random_facedir = { 0, 179 },
+biome_lib.register_on_generate({
+	surface = {
+		"default:dirt_with_grass",
+		"default:dirt_with_coniferous_litter", -- minetest >= 0.5
+		"sumpf:sumpf"
 	},
-	node_names
-	)
-end
+	max_count = 35,
+	rarity = 40,
+	min_elevation = 1, -- above sea level
+	near_nodes = {
+		"group:water", -- likes water (of course)
+		"default:gravel", -- near those on gravel
+		"default:sand", -- some like sand
+		"default:clay", -- some like clay
+		"stoneage:grass_with_silex",
+		"default:mossycobble",
+		"default:cobble",
+		"sumpf:sumpf"
+	},
+	near_nodes_size = 3,
+	near_nodes_vertical = 2,--3,
+	near_nodes_count = 1,
+	plantlife_limit = -0.9,
+	humidity_min = 0.4,
+	temp_max = -0.5, -- 55 °C
+	temp_min = 0.53, -- 0 °C, dies back in winter
+	--random_facedir = { 0, 179 },
+},
+node_names
+)
 
-if abstract_ferns.config.enable_horsetails_on_stones == true then
-	biome_lib.register_on_generate({
-		surface = {
-			"default:gravel", -- roots go deep
-			"default:mossycobble",
-			"stoneage:dirt_with_silex",
-			"stoneage:grass_with_silex",
-			"stoneage:sand_with_silex", -- roots go deep
-		},
-		max_count = 35,
-		rarity = 20,
-		min_elevation = 1, -- above sea level
-		plantlife_limit = -0.9,
-		humidity_min = 0.4,
-		temp_max = -0.5, -- 55 °C
-		temp_min = 0.53, -- 0 °C, dies back in winter
-		--random_facedir = { 0, 179 },
+biome_lib.register_on_generate({
+	surface = {
+		"default:gravel", -- roots go deep
+		"default:mossycobble",
+		"stoneage:dirt_with_silex",
+		"stoneage:grass_with_silex",
+		"stoneage:sand_with_silex", -- roots go deep
 	},
-	node_names
-	)
-end
+	max_count = 35,
+	rarity = 20,
+	min_elevation = 1, -- above sea level
+	plantlife_limit = -0.9,
+	humidity_min = 0.4,
+	temp_max = -0.5, -- 55 °C
+	temp_min = 0.53, -- 0 °C, dies back in winter
+	--random_facedir = { 0, 179 },
+},
+node_names
+)