Main game memory updates

[Eein]

updates the memory addresses for the main game.

The basis of everything worked, new fields pushed the offsets forward :)

• Fixes the case where you may have only 2 characters loaded at one time, but the game still has 3 slots
• Removes dead code
• Updates title screen enum to use auto() and update fields displayed in game
• Fixes offsets for all memory managers

Will probably need to rebase utility-system #42 when this goes in.