Remove some bogus text from virt-sandbox manpage
Remove some bogus text from virt-sandbox manpage

gczarcinski/libvirt-sandbox,gczarcinski/libvirt-sandbox,agx/libvirt-sandbox-debian,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,libvirt/libvirt-sandbox,kraman/libvirt-sandbox,kraman/libvirt-sandbox,agx/libvirt-sandbox-debian,erenyagdiran/libvirt-sandbox,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,gczarcinski/libvirt-sandbox,erenyagdiran/libvirt-sandbox,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,libvirt/libvirt-sandbox,kraman/libvirt-sandbox,agx/libvirt-sandbox-debian,erenyagdiran/libvirt-sandbox,agx/libvirt-sandbox-debian,erenyagdiran/libvirt-sandbox,libvirt/libvirt-sandbox,agx/libvirt-sandbox-debian