message: Remove stale TODOs in TFLite
diff: @@ -774,8 +774,6 @@ TfLiteStatus Subgraph::AddNodeWithParameters(
  }
  node.builtin_data = builtin_data_deleter.release();
  - // TODO(ycling): Filling `custom_initial_data` and `custom_initial_data_size`
  - // properly for nodes generated by ReplaceNodeSubsetsWithDelegateKernels.
  if (registration->builtin_code == BuiltinOperator_CUSTOM) {
  // When it's a CUSTOM op, the `custom_options` field in the Flatbuffer
  