remove wrong log line

Author: kalessin

hcf_backend/manager.py

@@ -40,7 +40,6 @@ def flush(self, slot=None):
                 slot_obj = self._frontier.get(slot)
                 slot_obj.flush()
                 self._links_to_flush_count[slot] = 0
-                LOG.info('Flushed %d link(s) to slot %s', slot)
 
         return n_links_to_flush