Simplify setup flow and public API docs

karldns/routers/management_shared.py

@@ -92,7 +92,6 @@ async def render_management_page_async(
     account: ManagementAccount,
     csrf_token: str,
     message: str | None = None,
-    created_account: dict[str, str] | None = None,
     request_ip: str | None = None,
 ) -> str:
     return await run_in_threadpool(
@@ -103,7 +102,6 @@ async def render_management_page_async(
         account,
         csrf_token,
         message,
-        created_account,
         request_ip,
     )