CNV-16554 remove OADP TP note

Author: Audrey Spaulding

virt/backup_restore/virt-backup-restore-overview.adoc

@@ -6,10 +6,7 @@ include::_attributes/common-attributes.adoc[]
 
 toc::[]
 
-:FeatureName: OADP for {VirtProductName}
-include::snippets/technology-preview.adoc[]
-
-You back up and restore virtual machines by using the xref:../../backup_and_restore/index.adoc#application-backup-restore-operations-overview[OpenShift API for Data Protection (OADP)].
+Back up and restore virtual machines by using the xref:../../backup_and_restore/index.adoc#application-backup-restore-operations-overview[OpenShift API for Data Protection (OADP)].
 
 .Prerequisites