Rather than unlinking them, perhaps you can prevent them from being turned into links in the first place.
Select all the text again
It's a little extra work, but it will prevent the FQDNs from being turned into links automatically.
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
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