DOCSP-28846 update to standalone backup support (#4972) (#5015)

Author: kanchana-mongodb

source/reference/faq/faq-backup.txt

@@ -63,16 +63,11 @@ Does Backup Work with All Types of Deployments?
 Why Does The Backup Feature Not Support Standalone Deployments?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-.. note::
-
-   This answer applies only to databases running MongoDB 4.2 with |fcv|
-   of ``4.0`` and earlier.
-
-After an initial sync of your data, |mms| copies data from the
-:term:`oplog` to provide a continuous backup with point-in-time
-recovery. |mms| does not support backup of standalone hosts because
-they do not have an :term:`oplog`. To support backup with a single
-:binary:`~bin.mongod` instance, you can run a one-member replica set.
+|mms| copies data from the :term:`oplog` to provide a continuous backup
+with point-in-time recovery. |mms| does not support backup of standalone
+hosts because they do not have an :term:`oplog`. To support backup with
+a single :binary:`~bin.mongod` instance, you can run a one-member
+replica set. 
 
 .. seealso:: :doc:`/tutorial/convert-standalone-to-replica-set`