removed token (#1373)

Author: vbrodsky

examples/basics/Export_V1_to_V2_migration_support.ipynb

@@ -51,9 +51,9 @@
       "source": [
         "### Key changes included in export V2 methods (``export_v2()`` and ``export()``):\n",
         "1. Added flexibility to only export the data that is needed. The new methods include parameters and filters to give you more granular control over your exports.\n",
-        "2. Added functionality to stream your data export. \n",
+        "2. Added functionality to stream your data export using ``export()`` (available on SDK >=3.56)\n",
         "\n",
-        "For complete details on how to use exports V2 please see the [Export overview](https://docs.labelbox.com/reference/label-export#optional-parameters-and-filters) documentation."
+        "For complete details on how to use export V2 methods please see the [Export V2 methods](https://docs.labelbox.com/reference/label-export#export-v2-methods) documentation."
       ],
       "cell_type": "markdown"
     },
@@ -198,7 +198,7 @@
         "            name='bounding_box',\n",
         "            feature_schema_id='clrf5ck4a0b9b071paa9ncu15',\n",
         "            extra={\n",
-        "                'instanceURI': 'https://api.labelbox.com/masks/feature/clrf5csvi6ofm07lsf9pygwvi?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiJjbGh0OHNocXUweW53MDc0aWRuZDUyemd1Iiwib3JnYW5pemF0aW9uSWQiOiJjbDVibjhxdnExYXY5MDd4dGIzYnA4cTYwIiwiaWF0IjoxNzA1NDMxOTE3LCJleHAiOjE3MDgwMjM5MTd9.BSKLVSbKTNmp9tcYt-PncIBeZ2Hrw4kCOz3qyxvAoOY',\n",
+        "                'instanceURI': 'https://api.labelbox.com/masks/feature/clrf5csvi6ofm07lsf9pygwvi?token=<token>'\n",
         "                'color': '#ff0000',\n",
         "                'feature_id': 'clrf5csvi6ofm07lsf9pygwvi',\n",
         "                'value': 'bounding_box',\n",