remove invalid import

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

tests/unit/test_client.py

@@ -29,7 +29,6 @@
 from databricks.sql.backend.types import CommandId, CommandState
 from databricks.sql.backend.types import ExecuteResponse
 
-from databricks.sql.utils import ExecuteResponse
 from tests.unit.test_fetches import FetchTests
 from tests.unit.test_thrift_backend import ThriftBackendTestSuite
 from tests.unit.test_arrow_queue import ArrowQueueSuite