DOC: Update itk/3DImage example to use pooch

Author: thewtex

examples/integrations/itk/3DImage.ipynb

@@ -41,18 +41,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": null,
    "id": "d140f3f6-c670-4c59-90e0-2d11a0cfe676",
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "Unzipping contents of '/home/matt/.cache/pooch/06f3f9bf354cbb431cef0c829394e821-download' to '/home/matt/.cache/pooch/06f3f9bf354cbb431cef0c829394e821-download.unzip'\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "dicom_files = pooch.retrieve('https://data.kitware.com/api/v1/item/6347159711dab81428208e24/download',\n",
     "                             known_hash='7ae09068c9b807b2276feb3427cebf82865ae39efc954f0222a4eec1acd6554d',\n",