use random device id

Network.cpp

@@ -19,9 +19,6 @@ void Network::initialize()
     WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP
     // it is a good practice to make sure your code sets wifi mode how you want it.
 
-    // put your setup code here, to run once:
-    Serial.begin(115200);
-
     //WiFiManager, Local intialization. Once its business is done, there is no need to keep it around
     WiFiManager wm;