message: [Trivial] Fix NotifyAlertChanged comment (cs_mapAlerts not required)
diff: @@ -90,10 +90,7 @@ public:
  /** Number of network connections changed. */
  boost::signals2::signal<void(int newNumConnections)> NotifyNumConnectionsChanged;
  - /**
  - * New, updated or cancelled alert.
  - * @note called with lock cs_mapAlerts held.
  - */
  + /** New, updated or cancelled alert. */
  boost::signals2::signal<void()> NotifyAlertChanged;
  /** A wallet has been loaded. */
  