removed unused import

haystack_experimental/components/extractors/llm_metadata_extractor.py

@@ -4,7 +4,7 @@
 
 import json
 from enum import Enum
-from typing import Any, Dict, List, Optional, Tuple, Union
+from typing import Any, Dict, List, Optional, Union
 
 from haystack import Document, component, default_from_dict, default_to_dict, logging
 from haystack.components.builders import PromptBuilder