This question is in reference to Atlassian Documentation: Likes and Popular Content
I don't seem to be able to disable the like plugin for a recent installment of Confluence cloud. I go to Manage Add Ons but can't find a way to disable, but I was able to do it with another installment a year ago. Maybe I forgot something.
If you're using Confluence Server, then you can disable it by disabling the "Confluence Like Plugin" (you have to change the dropdown in the Manage Add-ons screen to "System"), but that won't work for Confluence Cloud.
Your best option is probably just to hide it with CSS. You can disable it globally by going to the "General Configuration", finding the "Sidebar, Header, and Footer" link, and then inserting the following text in either the header or the footer:
More and more people are building their careers with Atlassian, and we want you to be at the front of this wave! Important Dates Start the Certification Prep Course by 2 April 2019 (you can also ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs