Removed unused imports

Author: ovalle15

examples/annotation_import/image.ipynb

@@ -113,12 +113,6 @@
       "source": [
         "from labelbox.schema.ontology import OntologyBuilder, Tool, Classification, Option\n",
         "from labelbox import Client, MALPredictionImport, LabelImport\n",
-        "from labelbox.data.annotation_types import (\n",
-        "    Label, ImageData, ObjectAnnotation, MaskData,\n",
-        "    Rectangle, Point, Line, Mask, Polygon,\n",
-        "    Radio, Checklist, Text,\n",
-        "    ClassificationAnnotation, ClassificationAnswer\n",
-        ")\n",
         "from labelbox.data.serialization import NDJsonConverter\n",
         "from labelbox.schema.media_type import MediaType\n",
         "import uuid\n",