Removed some obsolete code (#10562)

Co-authored-by: Zughy <4279489-marco_a@users.noreply.gitlab.com>

builtin/game/deprecated.lua

@@ -1,28 +1,5 @@
 -- Minetest: builtin/deprecated.lua
 
---
--- Default material types
---
-local function digprop_err()
-	core.log("deprecated", "The core.digprop_* functions are obsolete and need to be replaced by item groups.")
-end
-
-core.digprop_constanttime = digprop_err
-core.digprop_stonelike = digprop_err
-core.digprop_dirtlike = digprop_err
-core.digprop_gravellike = digprop_err
-core.digprop_woodlike = digprop_err
-core.digprop_leaveslike = digprop_err
-core.digprop_glasslike = digprop_err
-
-function core.node_metadata_inventory_move_allow_all()
-	core.log("deprecated", "core.node_metadata_inventory_move_allow_all is obsolete and does nothing.")
-end
-
-function core.add_to_creative_inventory(itemstring)
-	core.log("deprecated", "core.add_to_creative_inventory is obsolete and does nothing.")
-end
-
 --
 -- EnvRef
 --
@@ -77,7 +54,7 @@ core.setting_save = setting_proxy("write")
 
 function core.register_on_auth_fail(func)
 	core.log("deprecated", "core.register_on_auth_fail " ..
-		"is obsolete and should be replaced by " ..
+		"is deprecated and should be replaced by " ..
 		"core.register_on_authplayer instead.")
 
 	core.register_on_authplayer(function (player_name, ip, is_success)

builtin/game/item.lua

@@ -705,10 +705,6 @@ core.nodedef_default = {
 
 	on_receive_fields = nil,
 
-	on_metadata_inventory_move = core.node_metadata_inventory_move_allow_all,
-	on_metadata_inventory_offer = core.node_metadata_inventory_offer_allow_all,
-	on_metadata_inventory_take = core.node_metadata_inventory_take_allow_all,
-
 	-- Node properties
 	drawtype = "normal",
 	visual_scale = 1.0,

builtin/game/register.lua

@@ -324,13 +324,6 @@ for name in pairs(forbidden_item_names) do
 	register_alias_raw(name, "")
 end
 
-
--- Obsolete:
--- Aliases for core.register_alias (how ironic...)
--- core.alias_node = core.register_alias
--- core.alias_tool = core.register_alias
--- core.alias_craftitem = core.register_alias
-
 --
 -- Built-in node definitions. Also defined in C.
 --