Fix NetworkConfig default constructor issue

Author: mobizt

README.md

@@ -72,7 +72,6 @@ AsyncResult aResult_no_callback;
 
 void setup()
 {
-
     Serial.begin(115200);
     WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
 

examples/App/NetworkInterfaces/Async/NoCallback/DefaultNetworks/DefaultNetwork/DefaultNetwork.ino

@@ -82,7 +82,6 @@ AsyncResult aResult_no_callback;
 
 void setup()
 {
-
     Serial.begin(115200);
 
     wifimulti.addAP(WIFI_SSID1, WIFI_PASSWORD1);

examples/App/NetworkInterfaces/Async/NoCallback/DefaultNetworks/DefaultWiFiNetwork/DefaultWiFiNetwork.ino

@@ -81,7 +81,6 @@ AsyncResult aResult_no_callback;
 
 void setup()
 {
-
     Serial.begin(115200);
 
     Firebase.printf("Firebase Client v%s\n", FIREBASE_CLIENT_VERSION);

examples/App/NetworkInterfaces/Async/NoCallback/EthernetNetwork/EthernetNetwork.ino

@@ -100,7 +100,6 @@ void printResult(AsyncResult &aResult);
 
 void setup()
 {
-
     Serial.begin(115200);
 
     // Resetting the modem

examples/App/NetworkInterfaces/Async/NoCallback/GSMNetwork/GSMNetwork.ino

@@ -72,7 +72,6 @@ AsyncResult aResult_no_callback;
 
 void setup()
 {
-
   Serial.begin(115200);
 
   netconnect();

examples/App/NetworkInterfaces/Async/NoCallback/GenericNetwork/GenericNetwork.ino

@@ -60,7 +60,6 @@ bool wifi_once_connected = false;
 
 void setup()
 {
-
     Serial.begin(115200);
 
     connectWiFi();

examples/App/NetworkInterfaces/Async/NoCallback/NetworkSwitching/NetworkSwitching.ino

@@ -181,7 +181,6 @@ void WiFiEvent(WiFiEvent_t event)
 
 void setup()
 {
-
     Serial.begin(115200);
 
     // This delay is needed in case ETH_CLK_MODE was set to ETH_CLOCK_GPIO0_IN,

examples/App/NetworkInterfaces/Sync/DefaultNetworks/DefaultEthernetNetwork/ESP32/ESP32.ino

@@ -85,7 +85,6 @@ AsyncResult aResult_no_callback;
 
 void setup()
 {
-
     Serial.begin(115200);
 
     // https://github.com/esp8266/Arduino/blob/master/libraries/lwIP_Ethernet/examples/EthClient/EthClient.ino

examples/App/NetworkInterfaces/Sync/DefaultNetworks/DefaultEthernetNetwork/ESP8266/ESP8266.ino

@@ -74,7 +74,6 @@ AsyncResult aResult_no_callback;
 
 void setup()
 {
-
     Serial.begin(115200);
     WiFi.begin(WIFI_SSID, WIFI_PASSWORD);