use the non-deprecated func (#1326)

Author: kevinjqliu

pyiceberg/catalog/rest.py

@@ -899,7 +899,7 @@ def table_exists(self, identifier: Union[str, Identifier]) -> bool:
 
     @retry(**_RETRY_ARGS)
     def drop_view(self, identifier: Union[str]) -> None:
-        identifier_tuple = self.identifier_to_tuple_without_catalog(identifier)
+        identifier_tuple = self._identifier_to_tuple_without_catalog(identifier)
         response = self._session.delete(
             self.url(
                 Endpoints.drop_view, prefixed=True, **self._split_identifier_for_path(identifier_tuple, IdentifierKind.VIEW)