Never show LicenseRef-proprietary to the end user
Never show LicenseRef-proprietary to the end user

Just provide a translated string for this most common of cases.

hughsie/fwupd,fwupd/fwupd,hughsie/fwupd,fwupd/fwupd,hughsie/fwupd,hughsie/fwupd,fwupd/fwupd,fwupd/fwupd