Check_MK Werk 6284: Removed dangerous "omd uninstall" mode

ID: 6284 Title: Removed dangerous "omd uninstall" mode Component: Site Management Level: 1 Class: Bug fix Version: 1.6.0i1 This mode was only used during early development. When being executed on a system where Check_MK is installed through OS packages, it left the package manager in a bad state where the OMD files are gone but package meta information are still left.