backend: remove unused imports

Author: pablogsal

backend/app/admin_auth.py

@@ -12,8 +12,7 @@
 
 from .database import get_database
 from .models import AdminSession
-from .oauth import github_oauth, GitHubUser
-from .config import get_settings
+from .oauth import GitHubUser
 
 logger = logging.getLogger(__name__)
 

backend/app/crud.py

@@ -4,7 +4,6 @@
 
 from sqlalchemy import select, desc, and_, func, text
 from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy.orm import selectinload, joinedload, contains_eager
 from typing import List, Optional, Dict, Any
 from datetime import datetime, UTC
 import logging

backend/app/database.py

@@ -3,7 +3,6 @@
 
 import logging
 from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
-from sqlalchemy.orm import sessionmaker
 from sqlalchemy.exc import OperationalError, StatementError
 from .models import Base
 from .config import get_settings