Is it Possible to hide or delete Candidate Profile Extension to any users?
Reproducing the Issue
Go to Candidate Profile - Check for Candidate Profile Extension
In the 2017 Q4 release, product managment team released a new functionality called Candidate Profile Extension. - Kindly check this KBA for more information (2587869)
Hiding or deleting Candidate Profile Extension to any users is not possible as of the moment. This is can be an enhancement request.
KBA , LOD-SF-RCM-CAN , General Candidate Issues (not Offers, not Profiles) , How To