default_menu - remove hybrid_name helper, use Hosts and Clusters for menu items
default_menu - remove hybrid_name helper, use Hosts and Clusters for menu items

removes the last use of Host#node_types and EmsCluster#node_types

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic