Revert "virtlockd: treat SIGHUP like SIGUSR1"

This reverts commit 8355d42d.

After some discussion upstream [1] this patch turns out to be spurious.
It better gets reverted prior to a release.

1: https://www.redhat.com/archives/libvir-list/2013-December/msg00563.htmlSigned-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/locking/lock_daemon.c

@@ -592,8 +592,6 @@ virLockDaemonSetupSignals(virNetServerPtr srv)
         return -1;
     if (virNetServerAddSignalHandler(srv, SIGUSR1, virLockDaemonExecRestartHandler, NULL) < 0)
         return -1;
-    if (virNetServerAddSignalHandler(srv, SIGHUP, virLockDaemonExecRestartHandler, NULL) < 0)
-        return -1;
     return 0;
 }
 

src/locking/virtlockd.pod.in

@@ -54,9 +54,9 @@ Display version information then exit.
 
 =head1 SIGNALS
 
-On receipt of B<SIGUSR1> or B<SIGHUP> virtlockd will re-exec() its
-binary, while maintaining all current locks and clients. This allows
-for live upgrades of the virtlockd service.
+On receipt of B<SIGUSR1> virtlockd will re-exec() its binary, while
+maintaining all current locks and clients. This allows for live
+upgrades of the virtlockd service.
 
 =head1 FILES