New cutscene speedup : Defeat Morpha

[GSKirox]

From ~30 sec to 5 sec. Also took the occasion to remove some unused fast cutscenes now that dungeon reward shuffle is in.

https://github.com/user-attachments/assets/16c93768-0717-48a8-a1a8-320a4d859f4f

[r0bd0g]

The sound effect continues to.......... oh you fixed it lol.