monitor: Move hmp_delvm from savevm.c to hmp.c

It really uses block/* stuff, not migration one.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
diff --git a/hmp.h b/hmp.h
index b302c8d..6a402b1 100644
--- a/hmp.h
+++ b/hmp.h
@@ -65,6 +65,7 @@
 void hmp_drive_backup(Monitor *mon, const QDict *qdict);
 void hmp_loadvm(Monitor *mon, const QDict *qdict);
 void hmp_savevm(Monitor *mon, const QDict *qdict);
+void hmp_delvm(Monitor *mon, const QDict *qdict);
 void hmp_migrate_cancel(Monitor *mon, const QDict *qdict);
 void hmp_migrate_incoming(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_downtime(Monitor *mon, const QDict *qdict);