Porting the grappler batch prioritization rewriter to TFRT.

PiperOrigin-RevId: 778260617

Author: tensorflower-gardener

tensorflow_serving/servables/tensorflow/tfrt_saved_model_factory.cc

@@ -222,8 +222,6 @@ absl::StatusOr<tfrt::SavedModel::Options> CreateCommonSavedModelOptions(
   compile_options.min_num_batch_threads = config.tfrt_min_num_batch_threads();
   compile_options.min_max_enqueued_batches =
       config.tfrt_min_max_enqueued_batches();
-  compile_options.batch_queue_global_prioritization_num_threads =
-      config.tfrt_batch_queue_global_prioritization_num_threads();
   compile_options.batch_padding_policy = config.batch_padding_policy();
   compile_options.batch_options = config.in_graph_batching_parameters();