rm not used import

src/_nebari/stages/infrastructure/__init__.py

@@ -8,7 +8,7 @@
 import tempfile
 from typing import Annotated, Any, Dict, List, Literal, Optional, Tuple, Type, Union
 
-from pydantic import ConfigDict, Field, PrivateAttr, field_validator, model_validator
+from pydantic import ConfigDict, Field, field_validator, model_validator
 
 from _nebari import constants
 from _nebari.provider import terraform