DOC-12453 restore different storage engines (and fixes to Auto-remove Collections) (#3680)

* Current progress, mainly on updating the restore backup.

* In progress checkin:

* Added statement that the
* Heavily edited the Restore Backups section to bring it up to standards.
* Corrected several errors in the documentation.
* Had to do more editing to earlier parts of the topic to reduce the number of Vale errors so I could get my sections written. There were so many issues in the page before my updates that VS Code stopped checking.

* A few more low-hanging-fruit fixes to make Vale happy. Plenty more to fix, but I want to wrap this up.

Author: ggray-cb

modules/learn/pages/services-and-indexes/services/backup-service.adoc

@@ -100,6 +100,10 @@ You can also search the repositories for individual documents that have been bac
 When restoring data from a backup, you can define filters to choose a subset of the data to restore. 
 You can restore data to its original keyspace or apply a mapping to restore it to a different keyspace.
 
+You do not have to restore backed up data to a bucket using the same  xref:learn:buckets-memory-and-storage/storage-engines.adoc[storage engine] as the original bucket. 
+For example, you can restore data backed up from a bucket that used the Couchstore storage engine to a bucket using Magma.
+ 
+
 [#archiving-and-importing]
 == Archiving and Importing