moving deleteNote and deleteBranch into entities to make them accessible to scripts, #2792

docs/backend_api/becca_entities_abstract_entity.js.html

@@ -139,6 +139,8 @@ class AbstractEntity {
     /**
      * Mark the entity as (soft) deleted. It will be completely erased later.
      *
+     * This is a low level method, for notes and branches use `note.deleteNote()` and 'branch.deleteBranch()` instead.
+     *
      * @param [deleteId=null]
      */
     markAsDeleted(deleteId = null) {