clean up Queue more

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

Author: varun-edachali-dbx

src/databricks/sql/cloud_fetch_queue.py

@@ -418,7 +418,7 @@ def _create_next_table(self) -> Union["pyarrow.Table", None]:
             if self._current_chunk_link is None
             else self._current_chunk_link.next_chunk_index
         )
-        if next_chunk_index is None:  # This can happen if we're at the end of chunks
+        if next_chunk_index is None:
             logger.debug(
                 "SeaCloudFetchQueue: Reached end of chunks (next_chunk_index is None)"
             )
@@ -432,7 +432,6 @@ def _create_next_table(self) -> Union["pyarrow.Table", None]:
 
         # Update current chunk to the next one
         self._current_chunk_index = next_chunk_index
-        self._current_chunk_link = None
         try:
             self._current_chunk_link = self._fetch_chunk_link(next_chunk_index)
         except Exception as e: