Do nothing on change of JACK graph order

Resetting the latencies has no real effect because buffer usage is still
the same.
Clearing the buffers could be an option because the change of graph order
calls go after the latency ones but this would have impact on the audio
flow.

Author: dagargo

src/jclient.c

@@ -128,9 +128,7 @@ jclient_jack_freewheel (int starting, void *cb_data)
 static int
 jclient_jack_graph_order_cb (void *cb_data)
 {
-  struct jclient *jclient = cb_data;
   debug_print (1, "JACK calling graph order...");
-  ow_resampler_reset_latencies (jclient->resampler);
   return 0;
 }