Clean up errors and remove unused ignores] [batch:93/695] [shard:4/N]

Reviewed By: MaggieMoss

Differential Revision: D66312533

fbshipit-source-id: 3f6b8c82429d40f1c6eeb2310582a53641d97863

tb_plugin/torch_tb_profiler/profiler/event_parser.py

@@ -328,9 +328,6 @@ def _parse_step(self, event: DurationEvent, comm_nodes: Dict[int, CommunicationN
     def _find_device_steps(self, runtime_node_list: List[RuntimeNode]):
         """return steps associated with device nodes.
         """
-        # pyre-fixme[9]: runtime_node_list has type `List[RuntimeNode]`; used as
-        #  `List[Variable[SupportsRichComparisonT (bound to
-        #  Union[SupportsDunderGT[typing.Any], SupportsDunderLT[typing.Any]])]]`.
         runtime_node_list = sorted(runtime_node_list, key=lambda x: x.start_time)
 
         # Use similar code with two-way merge to get all runtimes inside each host-side step span,