Muse Dash: Add 2023 Anniversary songs and remove a hidden song (#1916)

* Remove CHAOS Glitch. Add test to check for removed songs.

* Add to game list

* Fix oversight with 0 difficulty songs. Fix naming of test.

* Add new songs and update other data.

* Fix accidental copy paste

worlds/musedash/test/TestRemovedSongs.py

@@ -0,0 +1,25 @@
+from . import MuseDashTestBase
+
+
+class TestRemovedSongs(MuseDashTestBase):
+    options = {
+        "starting_song_count": 10,
+        "allow_just_as_planned_dlc_songs": True,
+        "additional_song_count": 500,
+    }
+
+    removed_songs = [
+        "CHAOS Glitch",
+        "FM 17314 SUGAR RADIO"
+    ]
+
+    def test_remove_songs_are_not_generated(self) -> None:
+        # This test is done on a world where every song should be added.
+        muse_dash_world = self.multiworld.worlds[1]
+
+        for song_name in self.removed_songs:
+            assert song_name not in muse_dash_world.starting_songs, \
+                f"Song '{song_name}' was included into the starting songs when it shouldn't."
+
+            assert song_name not in muse_dash_world.included_songs, \
+                f"Song '{song_name}' was included into the included songs when it shouldn't."