remove dead code

Author: shuoweil

bigframes/dataframe.py

@@ -827,30 +827,6 @@ def __repr__(self) -> str:
         lines.append(f"[{row_count} rows x {column_count} columns]")
         return "\n".join(lines)
 
-    def _repr_html_fallback(self) -> str:
-        """
-        Returns an html string primarily for use by notebooks for displaying
-        a representation of the DataFrame. Displays 20 rows by default since
-        many notebooks are not configured for large tables.
-        """
-        opts = bigframes.options.display
-        max_results = opts.max_rows
-        if opts.repr_mode == "deferred":
-            return formatter.repr_query_job(self._compute_dry_run())
-
-        df, blob_cols = self._get_display_df_and_blob_cols()
-
-        pandas_df, row_count, query_job = df._block.retrieve_repr_request_results(
-            max_results
-        )
-
-        self._set_internal_query_job(query_job)
-        column_count = len(pandas_df.columns)
-
-        return self._create_html_representation(
-            pandas_df, row_count, column_count, blob_cols
-        )
-
     def _get_display_df_and_blob_cols(self) -> tuple[DataFrame, list[str]]:
         """Process blob columns for display."""
         df = self

bigframes/streaming/dataframe.py

@@ -291,13 +291,13 @@ def __repr__(self, *args, **kwargs):
 
     __repr__.__doc__ = _curate_df_doc(inspect.getdoc(dataframe.DataFrame.__repr__))
 
-    def _repr_html_fallback(self, *args, **kwargs):
-        return _return_type_wrapper(self._df._repr_html_fallback, StreamingDataFrame)(
+    def _repr_mimebundle_(self, *args, **kwargs):
+        return _return_type_wrapper(self._df._repr_mimebundle_, StreamingDataFrame)(
             *args, **kwargs
         )
 
-    _repr_html_fallback.__doc__ = _curate_df_doc(
-        inspect.getdoc(dataframe.DataFrame._repr_html_fallback)
+    _repr_mimebundle_.__doc__ = _curate_df_doc(
+        inspect.getdoc(dataframe.DataFrame._repr_mimebundle_)
     )
 
     @property