Merge pull request #1321 from jyaistMap/jy-remove-dep-mgr-refs

remove references to DependencyManager from release notes based on discussions with PM and Ent reps

Author: jyaistMap

guide/02-api-overview/release_notes_201.ipynb

@@ -16,7 +16,6 @@
     "* Adds new [`arcgis.gis.sharing`](/python/api-reference/arcgis.gis.sharing.html) submodule\n",
     "  * [`UserInvitationManager`](/python/api-reference/arcgis.gis.sharing.html#userinvitationmanager)\n",
     "  * [`Invitation`](/python/api-reference/arcgis.gis.sharing.html#invitation)\n",
-    "  * [`DependencyManager`](/python/api-reference/arcgis.gis.sharing.html#dependencymanager)\n",
     "* Adds _[Typing](https://docs.python.org/3/library/typing/)_ to modules\n",
     "\n",
     "\n",
@@ -70,7 +69,6 @@
     "  * Adds details and examples to the `query` parameter for:\n",
     "    * [`advanced_search()`](/python/api-reference/arcgis.gis.toc.html#arcgis.gis.ContentManager.advanced_search)\n",
     "    * [`search()`](/python/api-reference/arcgis.gis.toc.html#arcgis.gis.ContentManager.search)\n",
-    "  * Adds [`dependency_manager`](/python/api-reference/arcgis.gis.toc.html#arcgis.gis.ContentManager.dependency_manager) property\n",
     "* [`GroupManager`](/python/api-reference/arcgis.gis.toc.html#groupmanager)\n",
     "  * Adds documentation details to `provider` and `provider_group_name` parameters for [`create()`](/python/api-reference/arcgis.gis.toc.html#arcgis.gis.GroupManager.create)\n",
     "* [`Item`](/python/api-reference/arcgis.gis.toc.html#item)\n",