Removed nested python annotation tool

Author: ovalle15

examples/annotation_import/image.ipynb

@@ -198,21 +198,7 @@
     {
       "cell_type": "code",
       "source": [
-        "########## Radio Classification ##########\n",
-        "\n",
-        "# Python annotation \n",
-        "nested_radio_annotation = ClassificationAnnotation(\n",
-        "    name=\"nested_radio_question\", \n",
-        "    value=Radio(answer = ClassificationAnswer(name = \"first_radio_answer\")),\n",
-        "    classifications=[\n",
-        "    \tClassificationAnnotation(\n",
-        "        \tname=\"sub_radio_question\",\n",
-        "      \t\tvalue=Radio(answer=ClassificationAnswer(name=\"first_sub_radio_answer\"))\n",
-        "    )\n",
-        "    ]\n",
-        ")\n",
-        "\n",
-        "# NDJSON \n",
+        "########## Nested Radio Classification is only supported with NDJSON ##########\n",
         "nested_radio_annotation_ndjson = {\n",
         "  \"name\": \"nested_radio_question\",\n",
         "  \"answer\": {\"name\": \"first_radio_answer\"},\n",
@@ -806,7 +792,7 @@
         "        polygon_annotation, \n",
         "        mask_annotation, \n",
         "        point_annotation, \n",
-        "        polyline_annotation\n",
+        "        polyline_annotation\n"
         "    ]\n",
         ")\n",
         "\n",