remove guide that has not been merged

Author: jyaistMap

guide/02-api-overview/release_notes_220.ipynb

@@ -21,8 +21,6 @@
     "  * [2D Computer Vision](../)\n",
     "    * [Pixel Classification](../)\n",
     "      * [Panoptic Segmentation with MaXDeepLab](../guide/panoptic-segmentation-with-maxdeeplab/)\n",
-    "  * [3D Computer Vision](../)\n",
-    "    * [Point Cloud Classification using RandLA-Net](../guide/point-cloud-classification-using-randlanet/)\n",
     "* [Administration](../)\n",
     "  * [Managing ArcGIS Applications](../)\n",
     "    * [Working with ArcGIS Hub](../)\n",