qemu: monitor: remove destroy callback

It was added by commit c2121602 and later removed by 5a4c2374a

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>

src/qemu/qemu_monitor.c

@@ -233,8 +233,6 @@ qemuMonitorDispose(void *obj)
 
     VIR_DEBUG("mon=%p", mon);
     qemuMonitorDisposed = true;
-    if (mon->cb && mon->cb->destroy)
-        (mon->cb->destroy)(mon, mon->vm, mon->callbackOpaque);
     virObjectUnref(mon->vm);
 
     g_main_context_unref(mon->context);

src/qemu/qemu_monitor.h

@@ -363,7 +363,6 @@ typedef void (*qemuMonitorDomainMemoryFailureCallback)(qemuMonitor *mon,
 
 typedef struct _qemuMonitorCallbacks qemuMonitorCallbacks;
 struct _qemuMonitorCallbacks {
-    qemuMonitorDestroyCallback destroy;
     qemuMonitorEofNotifyCallback eofNotify;
     qemuMonitorErrorNotifyCallback errorNotify;
     qemuMonitorDomainEventCallback domainEvent;