remove unused import

Author: sfc-gh-pmansour

src/snowflake/connector/connection.py

@@ -87,7 +87,6 @@
 from .direct_file_operation_utils import FileOperationParser, StreamDownloader
 from .errorcode import (
     ER_CONNECTION_IS_CLOSED,
-    ER_EXPERIMENTAL_AUTHENTICATION_NOT_SUPPORTED,
     ER_FAILED_PROCESSING_PYFORMAT,
     ER_FAILED_PROCESSING_QMARK,
     ER_FAILED_TO_CONNECT_TO_DB,

src/snowflake/connector/errorcode.py

@@ -33,6 +33,7 @@
 ER_OAUTH_SERVER_TIMEOUT = 251016
 ER_INVALID_WIF_SETTINGS = 251017
 ER_WIF_CREDENTIALS_NOT_FOUND = 251018
+# not used but keep here to reserve errno
 ER_EXPERIMENTAL_AUTHENTICATION_NOT_SUPPORTED = 251019
 ER_NO_CLIENT_SECRET = 251020