remove unused imports

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

Author: varun-edachali-dbx

src/databricks/sql/backend/sea/backend.py

@@ -41,11 +41,6 @@
     GetStatementResponse,
     CreateSessionResponse,
 )
-from databricks.sql.backend.sea.models.responses import (
-    _parse_status,
-    _parse_manifest,
-    _parse_result,
-)
 
 logger = logging.getLogger(__name__)