Checkmk Werk 15771: discovery: remove vanished labels on 'Accept all'

ID: 15771 Title: discovery: remove vanished labels on 'Accept all' Component: Checks & agents Level: 1 Class: Bug fix Version: 2.1.0p33 Vanished labels weren't beeing removed after clicking 'Accept all' in the discovery page. There was no way to remove vanished labels from the host using the UI.