make backend/utils __init__ file empty

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

Author: varun-edachali-dbx

src/databricks/sql/backend/thrift_backend.py

@@ -16,7 +16,7 @@
     SessionId,
     CommandId,
 )
-from databricks.sql.backend.utils import guid_to_hex_id
+from databricks.sql.backend.utils.guid_utils import guid_to_hex_id
 
 try:
     import pyarrow

src/databricks/sql/backend/types.py

@@ -2,7 +2,7 @@
 from typing import Dict, Optional, Any
 import logging
 
-from databricks.sql.backend.utils import guid_to_hex_id
+from databricks.sql.backend.utils.guid_utils import guid_to_hex_id
 from databricks.sql.thrift_api.TCLIService import ttypes
 
 logger = logging.getLogger(__name__)

src/databricks/sql/backend/utils/__init__.py

@@ -1,3 +0,0 @@
-from .guid_utils import guid_to_hex_id
-
-__all__ = ["guid_to_hex_id"]