Change log

- Added placeholder %objective% with the same effect as %bosscond% in scoreboard.yml to avoid misunderstanding
- Updated DungeonGroup Info Command and Dungeon Info Command with Loot Chests and Staged Dungeon information
- Updated schematic pasting logic and now it no longer uses deprecated methods
- Fixed Command Action not replacing player's name when it is executed by CONSOLE
- Removed deprecated Boss and corresponding code
- Removed deprecated Spwners and corresponding code
- Removed deprecated Boss's string in scoreboard.yml
- Removed option once in Command Action and replaced with from
- Removed support of old format(separated by ,) item string in Icons, Rewards, Prices, etc...

***This is a beta release after the removal of old Boss, Spawners, and old formatted item strings. Migration command will be updated when the full release comes out.***