[Tests] Remove unused code (#29737)

Remove unused code

Author: NielsRogge

tests/test_modeling_common.py

@@ -1946,28 +1946,11 @@ def check_same_values(layer_1, layer_2):
             # Check that the embedding layer and decoding layer are the same in size and in value
             # self.assertTrue(check_same_values(embeddings, decoding))
 
-            # # Check that after modification, they remain the same.
-            # embeddings.weight.data.div_(2)
-            # # Check that the embedding layer and decoding layer are the same in size and in value
-            # self.assertTrue(embeddings.weight.shape, decoding.weight.shape)
-            # self.assertTrue(check_same_values(embeddings, decoding))
-
-            # # Check that after modification, they remain the same.
-            # decoding.weight.data.div_(4)
-            # # Check that the embedding layer and decoding layer are the same in size and in value
-            # self.assertTrue(embeddings.weight.shape, decoding.weight.shape)
-            # self.assertTrue(check_same_values(embeddings, decoding))
-
             # Check that after resize they remain tied.
             model_tied.resize_token_embeddings(config.vocab_size + 10)
             params_tied_2 = list(model_tied.parameters())
             self.assertEqual(len(params_tied_2), len(params_tied))
 
-            # decoding.weight.data.mul_(20)
-            # # Check that the embedding layer and decoding layer are the same in size and in value
-            # self.assertTrue(model.transformer.wte.weight.shape, model.lm_head.weight.shape)
-            # self.assertTrue(check_same_values(model.transformer.wte, model.lm_head))
-
     @require_safetensors
     def test_can_use_safetensors(self):
         config, _ = self.model_tester.prepare_config_and_inputs_for_common()