remove player id from Schemas, fix archive bug (#907)

## Description:

Remove all references to playerID in the archive schema, since we
reference players by client id.
Also fixed the game not archiving bug, due to invalid reference.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:

<DISCORD USERNAME>

src/core/GameRunner.ts

@@ -48,7 +48,7 @@ export async function createGameRunner(
           : fixProfaneUsername(sanitize(p.username)),
         PlayerType.Human,
         p.clientID,
-        p.playerID,
+        random.nextID(),
       ),
   );
 

src/core/Schemas.ts

@@ -338,7 +338,6 @@ export const ServerPrestartMessageSchema = ServerBaseMessageSchema.extend({
 });
 
 export const PlayerSchema = z.object({
-  playerID: ID,
   clientID: ID,
   username: SafeString,
   flag: SafeString.optional(),