refactor(autorenewal): clean up imports and simplify error handling

schemas/di.py

@@ -1,6 +1,5 @@
 from dataclasses import dataclass
 
-from aiogram import Bot
 from remnawave import RemnawaveSDK
 
 from misc.pally import PallyClient

schemas/users.py

@@ -1,6 +1,8 @@
 from dataclasses import dataclass
+
 from pydantic import BaseModel
 
+
 class NewUserDTO(BaseModel):
     id: int
     referal: int | None = None