update decomposition_groups

Author: zewenli98

py/torch_tensorrt/dynamo/lowering/_decomposition_groups.py

@@ -99,15 +99,12 @@
     aten.nan_to_num,
     aten.narrow,
     # TODO: Disable the below operators once freezing is done
-    aten.native_batch_norm,
     aten.native_batch_norm_backward,
     aten._native_batch_norm_legit,
     aten._native_batch_norm_legit_functional,
     aten._native_batch_norm_legit_no_training,
     aten.native_dropout_backward,
-    aten.native_group_norm,
     aten.native_group_norm_backward,
-    aten.native_layer_norm,
     aten.native_layer_norm_backward,
     aten.new_empty,
     aten.new_full,