qemuDomainDetachDeviceConfig: Allow cold unplug of redirdevs
qemuDomainDetachDeviceConfig: Allow cold unplug of redirdevs

This is fairly simple. We lookup the device in the array of
devices and remove it. No magic.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

jfehlig/libvirt,nertpinx/libvirt,nertpinx/libvirt,jfehlig/libvirt,olafhering/libvirt,jardasgit/libvirt,libvirt/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,crobinso/libvirt,olafhering/libvirt,VenkatDatta/libvirt,datto/libvirt,eskultety/libvirt,jardasgit/libvirt,zippy2/libvirt,crobinso/libvirt,libvirt/libvirt,taget/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,jfehlig/libvirt,andreabolognani/libvirt,zippy2/libvirt,datto/libvirt,libvirt/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,taget/libvirt,eskultety/libvirt,andreabolognani/libvirt,taget/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,taget/libvirt,zippy2/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,crobinso/libvirt,datto/libvirt,taget/libvirt,nertpinx/libvirt,olafhering/libvirt,fabianfreyer/libvirt,eskultety/libvirt,libvirt/libvirt,eskultety/libvirt,VenkatDatta/libvirt,datto/libvirt,olafhering/libvirt,andreabolognani/libvirt,jardasgit/libvirt,nertpinx/libvirt,zippy2/libvirt,fabianfreyer/libvirt,datto/libvirt,crobinso/libvirt,eskultety/libvirt