update samples from Release-136 as a part of 1.43.0 SDK stable release

how-to-use-azureml/ml-frameworks/keras/train-hyperparameter-tune-deploy-with-keras/train-hyperparameter-tune-deploy-with-keras.ipynb

@@ -437,8 +437,7 @@
         "  - azureml-defaults\n",
         "  - tensorflow-gpu==2.0.0\n",
         "  - keras<=2.3.1\n",
-        "  - matplotlib\n",
-        "  - protobuf==3.20.1"
+        "  - matplotlib"
       ]
     },
     {
@@ -990,7 +989,6 @@
         "cd.add_conda_package('h5py<=2.10.0')\n",
         "cd.add_conda_package('keras<=2.3.1')\n",
         "cd.add_pip_package(\"azureml-defaults\")\n",
-        "cd.add_pip_package(\"protobuf==3.20.1\")\n",
         "cd.save_to_file(base_directory='./', conda_file_path='myenv.yml')\n",
         "\n",
         "print(cd.serialize_to_string())"

how-to-use-azureml/ml-frameworks/tensorflow/train-hyperparameter-tune-deploy-with-tensorflow/train-hyperparameter-tune-deploy-with-tensorflow.ipynb

@@ -943,7 +943,6 @@
         "cd.add_conda_package('numpy')\n",
         "cd.add_pip_package('tensorflow==2.2.0')\n",
         "cd.add_pip_package(\"azureml-defaults\")\n",
-        "cd.add_pip_package(\"protobuf==3.20.1\")\n",
         "cd.save_to_file(base_directory='./', conda_file_path='myenv.yml')\n",
         "\n",
         "print(cd.serialize_to_string())"