There is now the capability for you to manage your own certificates
After signing into your account, click on the person icon located on the top right corner of the page.
Choose, "Profile & Account," from the list.
On the left panel of the profile page select, "Security."
On the security page scroll down to the PKI certificates section. You can review which certificates are registered to your account (e.g. your CAC email or ID certificate).”
If there are any you wish to remove from the account click the, "X," located at the right side of the certificate.