Remove the line about SM active sync support

[Nikhita-13]

Page URL

https://docs.netapp.com/us-en/netapp-solutions-virtualization/kvm/kvm-ontap.html

Page title

Learn about integrating ONTAP storage with KVM virtualization environments

Summary

Remove this line under the SAN section 'Stretch cluster across fault domains with SnapMirror active sync.'

The function is not supported

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