The badly named keypair is really the public key of an OpenSSH key pair to be used for access to created servers.
Compute v2
Create new public key
os keypair create
[--public-key <file>]
<name>
Filename for public key to add
New public key name
Delete public key(s)
os keypair delete
<key> [<key> ...]
Public key(s) to delete (name only)