kontrolclient.go: remove unused type and field
kontrolclient.go: remove unused type and field

leeola/kite,ppknap/kite,wingyplus/kite,mischief/kite,rjeczalik/kite,koding/kite,rjeczalik/kite,ppknap/kite,leeola/kite,fatih/kite,koding/kite,mischief/kite,280455936/kite,wingyplus/kite,cihangir/kite,fatih/kite,koding/kite,rjeczalik/kite,280455936/kite,cihangir/kite,ppknap/kite