fix: Remove unused import 'urlparse' from create_app.py

Author: Pavan-Microsoft

code/create_app.py

@@ -14,7 +14,7 @@
 from openai.types.chat import ChatCompletionChunk
 from flask import Flask, Response, request, Request, jsonify
 from dotenv import load_dotenv
-from urllib.parse import quote, urlparse
+from urllib.parse import quote
 from backend.batch.utilities.helpers.env_helper import EnvHelper
 from backend.batch.utilities.helpers.azure_search_helper import AzureSearchHelper
 from backend.batch.utilities.helpers.orchestrator_helper import Orchestrator