removed unused variable

simplemind/models.py

@@ -1,6 +1,6 @@
-from types import TracebackType
 import uuid
 from datetime import datetime
+from types import TracebackType
 from typing import Any, Dict, List, Literal, Optional
 
 from pydantic import BaseModel, Field

simplemind/settings.py

@@ -1,10 +1,8 @@
-from typing import Literal, Optional, Union
+from typing import Optional, Union
 
 from pydantic import Field, SecretStr, field_validator
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
-logging_level = Literal["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]
-
 
 class LoggingConfig(BaseSettings):
     """The class that holds all the logging settings for the application."""