SM SDK v2 name changes (#121)

* update parameters for PT MaskRNN for SM SDK v2

* Update instance type & instance count for PT BERT

* Update TF2 BERT

* Update tensorflow2_smdataparallel_maskrcnn_demo.ipynb

Author: piyushghai

training/distributed_training/pytorch/data_parallel/bert/pytorch_smdataparallel_bert_demo.ipynb

@@ -240,8 +240,8 @@
     "                    role=role,\n",
     "                    image_uri=docker_image,\n",
     "                    framework_version='1.6.0',\n",
-    "                    train_instance_count=instance_count,\n",
-    "                    train_instance_type=instance_type,\n",
+    "                    instance_count=instance_count,\n",
+    "                    instance_type=instance_type,\n",
     "                    sagemaker_session=sagemaker_session,\n",
     "                    subnets=subnets,\n",
     "                    security_group_ids=security_group_ids,\n",

training/distributed_training/pytorch/data_parallel/maskrcnn/pytorch_smdataparallel_maskrcnn_demo.ipynb

@@ -210,8 +210,8 @@
     "                        role=role,\n",
     "                        image_uri=docker_image,\n",
     "                        source_dir='.',\n",
-    "                        train_instance_count=instance_count,\n",
-    "                        train_instance_type=instance_type,\n",
+    "                        instance_count=instance_count,\n",
+    "                        instance_type=instance_type,\n",
     "                        sagemaker_session=sagemaker_session,\n",
     "                        hyperparameters=hyperparameters, \n",
     "                        subnets=subnets, \n",

training/distributed_training/tensorflow/data_parallel/bert/tensorflow2_smdataparallel_bert_demo.ipynb

@@ -245,8 +245,8 @@
     "                        image_uri=docker_image,\n",
     "                        source_dir='deep-learning-models/models/nlp',\n",
     "                        framework_version='2.3.1',\n",
-    "                        train_instance_count=instance_count,\n",
-    "                        train_instance_type=instance_type,\n",
+    "                        instance_count=instance_count,\n",
+    "                        instance_type=instance_type,\n",
     "                        sagemaker_session=sagemaker_session,\n",
     "                        subnets=subnets,\n",
     "                        hyperparameters=hyperparameters,\n",

training/distributed_training/tensorflow/data_parallel/maskrcnn/tensorflow2_smdataparallel_maskrcnn_demo.ipynb

@@ -240,8 +240,8 @@
     "                        image_uri=docker_image,\n",
     "                        source_dir='.',\n",
     "                        framework_version='2.3.1',\n",
-    "                        train_instance_count=instance_count,\n",
-    "                        train_instance_type=instance_type,\n",
+    "                        instance_count=instance_count,\n",
+    "                        instance_type=instance_type,\n",
     "                        sagemaker_session=sagemaker_session,\n",
     "                        subnets=subnets,\n",
     "                        hyperparameters=hyperparameters,\n",