Refactoring code for modular approach

app/api/v1/admin.py

@@ -5,7 +5,6 @@ from sqlalchemy.orm import Session
 from app.core.database import get_db
 from app.api.deps import get_current_admin_user
 from app.services.admin_service import admin_service
-from middleware.decorators import rate_limit
 from models.api_models import MarketplaceImportJobResponse, UserResponse, ShopListResponse
 from models.database_models import User
 import logging