Remove pointless virLXCProcessMonitorDestroy method
Remove pointless virLXCProcessMonitorDestroy method

https://bugzilla.redhat.com/show_bug.cgi?id=864336

Asynchronously setting priv->mon to NULL was pointless,
just remove the destroy callback entirely.

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>
(cherry picked from commit dd0371764f90f31fa8e596b40c0269cdbd5082f6)

mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2,mithleshvrts/libvirt-0.10.2