Deleting hosts in Satellite with foreman-rake console fails

Issue

• Deleting a host from foreman-rake console fails with foreign key constraint violation:

  # foreman-rake console 
  irb(main):024:0* Host.find_by_name("host.example.test").destroy
  ActiveRecord::InvalidForeignKey: PG::Error: ERROR:  update or delete on table "hosts" violates foreign key constraint "katello_subscription_facets_host_id" on table "katello_subscription_facets"
  DETAIL:  Key (id)=(3) is still referenced from table "katello_subscription_facets".
  : DELETE FROM "hosts" WHERE "hosts"."type" IN ('Host::Managed') AND "hosts"."id" = $1
          from /opt/rh/rh-ror41/root/usr/share/gems/gems/activerecord-4.1.5/lib/active_record/connection_adapters/postgresql_adapter.rb:834:in `get_last_result'
          from /opt/rh/rh-ror41/root/usr/share/gems/gems/activerecord-4.1.5/lib/active_record/connection_adapters/postgresql_adapter.rb:834:in `block in exec_cache'
          from /opt/rh/rh-ror41/root/usr/share/gems/gems/activerecord-4.1.5/lib/active_record/connection_adapters/abstract_adapter.rb:373:in `block in log'
          from /opt/rh/rh-ror41/root/usr/share/gems/gems/activesupport-4.1.5/lib/active_support/notifications/instrumenter.rb:20:in `instrument'
          from /opt/rh/rh-ror41/root/usr/share/gems/gems/activerecord-4.1.5/lib/active_record/connection_adapters/abstract_adapter.rb:367:in `log'
  

• Unable to delete a host in the WebUI with the following error:

  Error: PG::Error: ERROR: update or delete on table "hosts" violates foreign key constraint "reports_host_id_fk" on table "reports" DETAIL: Key (id)=(759) is still referenced from table "reports". : DELETE FROM "hosts" WHERE "hosts"."type" IN ('Host::Managed') AND "hosts"."id" = $1