fix: remove unused logging import from test file

- Remove unused import to pass code quality checks
- Fix linting issues for CI/CD pipeline

Author: samay2504

tests/all/integration/api/test_auth_log_injection.py

@@ -2,7 +2,6 @@
 Test for log injection vulnerability in auth.py (Issue #9120)
 Tests that user-provided email addresses cannot inject malicious content into logs
 """
-import logging
 import re