Update tests/unit/core/test_http_retry_logic.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: suyask-msft

tests/unit/core/test_http_retry_logic.py

@@ -1,7 +1,6 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT license.
 
-import time
 from unittest.mock import Mock, patch
 import pytest
 import requests