Checkmk Werk 15241: Drop configuration variable `ignored_checktypes`

ID: 15241 Title: Drop configuration variable `ignored_checktypes` Component: Checks & agents Level: 1 Class: New feature Version: 2.3.0b1 This Werk only affects users that use handcrafted .mk files to configure disabled check plugins. The configuration variable used to do this, <tt>ignored_checktypes</tt>, has no effect anymore. Please use the host ruleset <i>"Disabled checks"</i> in the <i>Setup</i> menu.