Black: drop trailing blank line in test_unsupported_tools_validation.py

Author: manaskawale

sdk/evaluation/azure-ai-evaluation/tests/unittests/test_unsupported_tools_validation.py

@@ -181,4 +181,3 @@ def test_tool_definitions_validator_still_rejects_when_flag_enabled(self, tool_n
         with pytest.raises(EvaluationException) as exc_info:
             validator.validate_eval_input(eval_input)
         assert "currently not supported" in str(exc_info.value)
-