Apply suggestion from @Copilot

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

Author: mrunalhirve128

tests/runtime/test_power_platform_api_discovery.py

@@ -3,7 +3,6 @@
 
 """Unit tests for PowerPlatformApiDiscovery class."""
 
-import re
 import pytest
 
 from microsoft_agents_a365.runtime.power_platform_api_discovery import (