# File lib/rudy/routines/handlers/keypair.rb, line 58
58:     def unregister(name=nil)
59:       name ||= current_machine_root
60:       keyname = user_keypairname name
61:       raise "Keypair not registered: #{keyname}" unless registered?(name)
62:       Rudy::AWS::EC2::Keypairs.destroy keyname
63:     end