Fix retire_host.yml missing variable
Fix retire_host.yml missing variable

arbrandes/edx-configuration,arbrandes/edx-configuration,edx/configuration,mitodl/configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,mitodl/configuration,edx/configuration,edx/configuration,mitodl/configuration,edx/configuration,mitodl/configuration,arbrandes/edx-configuration