turn off unnecessary logs

VoidLink/Network/DiscoveryWorker.m

@@ -71,7 +71,7 @@ static const float POLL_RATE = 2.0f; // Poll every 2 seconds
     // to preserve insertion order of addresses.
     for (int i = 0; i < [array count]; i++) {
         NSString *addr1 = [array objectAtIndex:i];
-        NSLog(@"iterates discovery addrs %@, host: %@", addr1, _host.name);
+        // NSLog(@"iterates discovery addrs %@, host: %@", addr1, _host.name);
         
         for (int j = 1; j < [array count]; j++) {
             if (i == j) {