How to remove the "register button"
Release : 14.3
Component : CA IDENTITY SUITE (VIRTUAL APPLIANCE)
Go to the Branding tab of Portal Administrative UI.
Select the Public site which is the "key looking icon"
Add a custom selector at the bottom called: [ng-click="_selfRegistrationClick()"]
Add attribute "display" for this selector, then set the value to "none !important"
You can find your css selector handles by using the Inspect page or Developer tools of any modern browser.