refactor: remove the deprecated auth options

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

packages/auth/src/routes/api.ts

@@ -60,8 +60,6 @@ function handlersFor(ctx: Context): AuthHttpHandlers | undefined {
     schemas: getDefaultAuthSchemas(),
     baseUrl: routeOptions.baseUrl ?? ctx.url.origin,
     passkey: routeOptions.passkey,
-    onSignedIn: routeOptions.onSignedIn,
-    onSignedOut: routeOptions.onSignedOut,
     onSessionVerification: routeOptions.onSessionVerification,
   });
 }