libvirt.spec.in: Don't distribute libvirtd.upstart

Firstly, for rpm we are building libvirt with
--init-script=systemd or --init-script=redhat. So upstart is
never enabled. And only due to a bug we installed
libvirtd.upstart file.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NPavel Hrdina <phrdina@redhat.com>

libvirt.spec.in

@@ -1825,7 +1825,6 @@ exit 0
 %{_sysconfdir}/rc.d/init.d/virtlogd
 %{_sysconfdir}/rc.d/init.d/virtlockd
 %endif
-%doc daemon/libvirtd.upstart
 %config(noreplace) %{_sysconfdir}/sysconfig/libvirtd
 %config(noreplace) %{_sysconfdir}/sysconfig/virtlogd
 %config(noreplace) %{_sysconfdir}/sysconfig/virtlockd