Revert changes

Author: ovalle15

examples/annotation_import/image.ipynb

@@ -115,6 +115,12 @@
         "from labelbox import Client, MALPredictionImport, LabelImport\n",
         "from labelbox.data.serialization import NDJsonConverter\n",
         "from labelbox.schema.media_type import MediaType\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",
         "import uuid\n",
         "import numpy as np\n",
         "from labelbox.schema.queue_mode import QueueMode\n"