Test: Remove most dependencies on lttp (#5338)

* removes the last dependencies on lttp in tests

* removing test.bases.TestBase from docs as well

* rename bases

* move imports to bases

worlds/alttp/test/__init__.py

@@ -1,22 +0,0 @@
-import unittest
-from argparse import Namespace
-
-from BaseClasses import MultiWorld, CollectionState
-from worlds import AutoWorldRegister
-
-
-class LTTPTestBase(unittest.TestCase):
-    def world_setup(self):
-        from worlds.alttp.Options import Medallion
-        self.multiworld = MultiWorld(1)
-        self.multiworld.game[1] = "A Link to the Past"
-        self.multiworld.set_seed(None)
-        args = Namespace()
-        for name, option in AutoWorldRegister.world_types["A Link to the Past"].options_dataclass.type_hints.items():
-            setattr(args, name, {1: option.from_any(getattr(option, "default"))})
-        self.multiworld.set_options(args)
-        self.multiworld.state = CollectionState(self.multiworld)
-        self.world = self.multiworld.worlds[1]
-        # by default medallion access is randomized, for unittests we set it to vanilla
-        self.world.options.misery_mire_medallion.value = Medallion.option_ether
-        self.world.options.turtle_rock_medallion.value = Medallion.option_quake