trivial: Remove the DFU-specific hardware tests
trivial: Remove the DFU-specific hardware tests

We have end-to-end installed tests using the daemon now.

vathpela/fwupd,superm1/fwupd,fwupd/fwupd,hughsie/fwupd,hughsie/fwupd,superm1/fwupd,superm1/fwupd,fwupd/fwupd,hughsie/fwupd,fwupd/fwupd,vathpela/fwupd,fwupd/fwupd,hughsie/fwupd,vathpela/fwupd,vathpela/fwupd