feat: Adds PlayerDeathEvent and CreatureDeathEvent using code generated events (#1927)

### Summary
- Adds [Code Generated Events](https://github.com/modernuo/CodeGeneratedEvents)
- Removes EventSink.PlayerDeath
- Adds `PlayerDeathEvent` and `CreatureDeathEvent` using code generated events

> [!Important]
> **Developer Note**
> Use `[OnEvent(nameof(PlayerMobile.PlayerDeathEvent))]` instead of `EventSink.PlayerDeath` delegate
> Check this commit for examples of how to use this.

Projects/UOContent/Misc/Guild.cs

@@ -1050,7 +1050,7 @@ namespace Server.Guilds
             }
         }
 
-        public static void HandleDeath(Mobile victim, Mobile killer = null)
+        public static void HandleDeath(Mobile victim, Mobile killer)
         {
             if (!NewGuildSystem)
             {