Revert "Added Music Dungeon.mp3"

This reverts commit 68cc6b3446217b6fb7a72d46ec68e7c942ef91ac.
Revert "Added robo boss battler"

This reverts commit dd88ff7c61da7fa6e35596ca5416cdbd6899fb96.
Revert "Revert "Added robo boss battler""

This reverts commit 62b3ab51b887608bd27fb6d0c5a40dc281b45d8d.