qemu: domain: Don't delete aliases of secret objects associated with disks
qemu: domain: Don't delete aliases of secret objects associated with disks

We need to reference the secret objects by name when hot-unplugging
disks. Don't remove the alias so that it does not need to be
recalculated.

Signed-off-by: Peter Krempa <2cf5c04c61aa466e4a47bfedc747d17279c72ffc@redhat.com>
Reviewed-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

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