Network: implement 0.4 marked compatibility removals (#757)

* world remote items handling
* players list when connecting

worlds/dark_souls_3/__init__.py

@@ -51,8 +51,6 @@ class DarkSouls3World(World):
     game: str = "Dark Souls III"
     option_definitions = dark_souls_options
     topology_present: bool = True
-    remote_items: bool = False
-    remote_start_inventory: bool = False
     web = DarkSouls3Web()
     data_version = 4
     base_id = 100000