update url (#1190)

Signed-off-by: Wenqi Li <wenqil@nvidia.com>


### Checks
<!--- Put an `x` in all the boxes that apply, and remove the not
applicable items -->
- [ ] Avoid including large-size files in the PR.
- [ ] Clean up long text outputs from code cells in the notebook.
- [ ] For security purposes, please check the contents and remove any
sensitive info such as user names and private key.
- [ ] Ensure (1) hyperlinks and markdown anchors are working (2) use
relative paths for tutorial repo files (3) put figure and graphs in the
`./figure` folder
- [ ] Notebook runs automatically `./runner.sh -t <path to .ipynb file>`

Signed-off-by: Wenqi Li <wenqil@nvidia.com>

Author: wyli

model_zoo/TCIA_PROSTATEx_Prostate_MRI_Anatomy_Model.ipynb

@@ -26,9 +26,9 @@
    "source": [
     "You can download and run this notebook locally, or you can run it for free in a cloud environment using Colab or Sagemaker Studio Lab:\n",
     "\n",
-    "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/kirbyju/TCIA_Notebooks/blob/main/TCIA_MONAI_Model_Zoo.ipynb)\n",
+    "[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Project-MONAI/tutorials/blob/main/model_zoo/TCIA_PROSTATEx_Prostate_MRI_Anatomy_Model.ipynb)\n",
     "\n",
-    "[![Open In SageMaker Studio Lab](https://studiolab.sagemaker.aws/studiolab.svg)](https://studiolab.sagemaker.aws/import/github.com/kirbyju/TCIA_Notebooks/blob/main/TCIA_MONAI_Model_Zoo.ipynb)"
+    "[![Open In SageMaker Studio Lab](https://studiolab.sagemaker.aws/studiolab.svg)](https://studiolab.sagemaker.aws/import/github.com/Project-MONAI/tutorials/blob/main/model_zoo/TCIA_PROSTATEx_Prostate_MRI_Anatomy_Model.ipynb)"
    ]
   },
   {
@@ -127,26 +127,19 @@
   {
    "cell_type": "markdown",
    "metadata": {
-    "id": "BctRdoEcsf-G"
+    "id": "oYxvN-rebvwG"
    },
    "source": [
-    "## Setup the im-joy-jupyter-extension for itkWidgets\n",
+    "## Setup imports\n",
+    "\n",
+    "### Setup the im-joy-jupyter-extension for itkWidgets\n",
     "On many systems you must manually install the imjoy-jupyter-extension for itkWidgets! If you do not see a blue 'ImJoy' icon on the menu bar in this notebook:\n",
     "\n",
     "* Google CoLab: The following does not apply to Google CoLab - it will not show an ImJoy and all should work without modification.\n",
     "* Enable Extensions: Many Jupyter Lab systems disable jupyter extensions by default, and they must be enabled for this notebook to work. Typically this is accomplished using the Jupyter interface to select the extension manager (left-hand side, icon that looks like a piece of a puzzle) and select the Enable button if it appears.\n",
     "* Install imjoy extension: In the extension manager, search for 'imjoy' and install the 'imjoy-jupyter-extension'. The installation can take several minutes. It may also prompt you to rebuild, save, and reload your jupyter environment as part of this process. In the end, you should see a blue 'ImJoy' icon on the left side of the menu bar in this notebook."
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {
-    "id": "oYxvN-rebvwG"
-   },
-   "source": [
-    "## Setup imports"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": null,