Unpins a slot's key: the generated key signs again and the pinned one verifies through its unit's grace; audited and announced when it signed.
the realm id ('' for the ambient realm)
the certificate use case
the slot within it
Optional
optional username for the audit row
pki.unpinKeyPair()'s answer
pki.unpinKeyPair()
Unpins a slot's key: the generated key signs again and the pinned one verifies through its unit's grace; audited and announced when it signed.