separate food /non-food items from crop files, tidy code

crops/potato.lua

@@ -4,19 +4,24 @@
 	https://forum.minetest.net/viewtopic.php?id=3948
 ]]
 
-local S = farming.translate
+local S = minetest.get_translator("farming")
+
+-- item/seed
 
--- potato
 minetest.register_craftitem("farming:potato", {
 	description = S("Potato"),
 	inventory_image = "farming_potato.png",
 	groups = {compostability = 48, seed = 2, food_potato = 1},
+
 	on_place = function(itemstack, placer, pointed_thing)
 		return farming.place_seed(itemstack, placer, pointed_thing, "farming:potato_1")
 	end,
+
 	-- 1 in 3 chance of being poisoned
 	on_use = function(itemstack, user, pointed_thing)
+
 		if user then
+
 			if math.random(3) == 1 then
 				return minetest.do_item_eat(-1, nil, itemstack, user, pointed_thing)
 			else
@@ -28,41 +33,8 @@ minetest.register_craftitem("farming:potato", {
 
 farming.add_eatable("farming:potato", 1)
 
--- baked potato
-minetest.register_craftitem("farming:baked_potato", {
-	description = S("Baked Potato"),
-	inventory_image = "farming_baked_potato.png",
-	on_use = minetest.item_eat(6)
-})
+-- crop definition
 
-farming.add_eatable("farming:baked_potato", 6)
-
-minetest.register_craft({
-	type = "cooking",
-	cooktime = 10,
-	output = "farming:baked_potato",
-	recipe = "group:food_potato"
-})
-
--- Potato and cucumber Salad
-minetest.register_craftitem("farming:potato_salad", {
-	description = S("Cucumber and Potato Salad"),
-	inventory_image = "farming_potato_salad.png",
-	on_use = minetest.item_eat(10, "farming:bowl")
-})
-
-farming.add_eatable("farming:potato_salad", 10)
-
-minetest.register_craft({
-	output = "farming:potato_salad",
-	recipe = {
-		{"group:food_cucumber"},
-		{"farming:baked_potato"},
-		{"group:food_bowl"}
-	}
-})
-
--- potato definition
 local def = {
 	drawtype = "plantlike",
 	tiles = {"farming_potato_1.png"},
@@ -83,13 +55,16 @@ local def = {
 }
 
 -- stage 1
+
 minetest.register_node("farming:potato_1", table.copy(def))
 
 -- stage 2
+
 def.tiles = {"farming_potato_2.png"}
 minetest.register_node("farming:potato_2", table.copy(def))
 
 -- stage 3
+
 def.tiles = {"farming_potato_3.png"}
 def.drop = {
 	items = {
@@ -99,7 +74,8 @@ def.drop = {
 }
 minetest.register_node("farming:potato_3", table.copy(def))
 
--- stage 4
+-- stage 4 (final)
+
 def.tiles = {"farming_potato_4.png"}
 def.groups.growing = nil
 def.selection_box = farming.select_final
@@ -112,6 +88,7 @@ def.drop = {
 minetest.register_node("farming:potato_4", table.copy(def))
 
 -- add to registered_plants
+
 farming.registered_plants["farming:potato"] = {
 	crop = "farming:potato",
 	seed = "farming:potato",
@@ -121,6 +98,7 @@ farming.registered_plants["farming:potato"] = {
 }
 
 -- mapgen
+
 minetest.register_decoration({
 	deco_type = "simple",
 	place_on = {"default:dirt_with_grass", "mcl_core:dirt_with_grass"},