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/MuseDashCollection.py

@@ -22,8 +22,7 @@ class MuseDashCollections:
         "MuseDash ka nanika hi",
         "Rush-Hour",
         "Find this Month's Featured Playlist",
-        "PeroPero in the Universe",
-        "CHAOS Glitch"
+        "PeroPero in the Universe"
     ]
 
     album_items: Dict[str, AlbumData] = {}
@@ -129,6 +128,10 @@ class MuseDashCollections:
         if len(difficulty) <= 0 or difficulty == "?" or difficulty == "¿":
             return None
 
+        # 0 is used as a filler and no songs actually have a 0 difficulty song.
+        if difficulty == "0":
+            return None
+
         # Curse the 2023 april fools update. Used on 3rd Avenue.
         if difficulty == "〇":
             return 10