Fix iplocate cerificates (#283)

backend/src/node/connector.rs

@@ -48,8 +48,6 @@ impl Actor for NodeConnector {
 
 impl NodeConnector {
     pub fn new(aggregator: Addr<Aggregator>, locator: Recipient<LocateRequest>, ip: Option<Ipv4Addr>) -> Self {
-        info!("Node connected: {:?}", ip);
-
         Self {
             // Garbage id, will be replaced by the Initialize message
             nid: !0,