Checkmk Werk 13328: Remove global setting "Notification spooler insecure messages"

ID: 13328 Title: Remove global setting "Notification spooler insecure messages" Component: Notifications Level: 1 Class: New feature Version: 2.1.0i1 The global setting "Notification spooler insecure messages" is removed. It was only relevant in distributed setups with versions 1.4.0 and 1.5.0 and is not needed anymore.