More creative category cleanup

mods/default/nodes.lua

@@ -984,7 +984,7 @@ minetest.register_node("default:bookshelf", {
 	tiles = {"default_wood.png", "default_wood.png", "default_bookshelf.png"},
 	stack_max = 64,
 	is_ground_content = false,
-	groups = {choppy=3,oddly_breakable_by_hand=2,flammable=3,deco_block=1},
+	groups = {choppy=3,oddly_breakable_by_hand=2,flammable=3,building_block=1},
 	drop = "default:book 3",
 	sounds = default.node_sound_wood_defaults(),
 })

mods/mcl_mobitems/init.lua

@@ -108,6 +108,7 @@ minetest.register_craftitem("mcl_mobitems:milk_bucket", {
 	wield_image = "mcl_mobitems_bucket_milk.png",
 	on_use = minetest.item_eat(0, "bucket:bucket_empty"),
 	stack_max = 1,
+	groups = { food = 3 },
 })
 
 minetest.register_craftitem("mcl_mobitems:spider_eye", {

mods/mcl_throwing/throwable.lua

@@ -60,7 +60,6 @@ minetest.register_craftitem("mcl_throwing:snowball", {
 	inventory_image = "mcl_throwing_snowball.png",
 	stack_max = 16,
 	on_use = throw_function("mcl_throwing:snowball_entity", snowball_VELOCITY),
-	groups = { weapon_ranged = 1 },
 	on_construct = function(pos)
 	pos.y = pos.y - 1
 		if minetest.get_node(pos).name == "default:dirt_with_grass" then
@@ -74,5 +73,5 @@ minetest.register_craftitem("mcl_throwing:egg", {
 	inventory_image = "mcl_throwing_egg.png",
 	stack_max = 16,
 	on_use = throw_function("mcl_throwing:egg_entity", egg_VELOCITY),
-	groups = { weapon_ranged = 1 },
+	groups = { craftitem = 1 },
 })