examples code cleanup (#5290)

* Update WiFiMulti.ino

* Update WiFiClientBasic.ino

* Update WiFiWebServer.ino

* Update WiFiClient.ino

* Update WiFiHTTPSServer.ino

Author: dsv19

libraries/ESP8266WiFi/examples/WiFiClient/WiFiClient.ino

@@ -13,7 +13,6 @@ const uint16_t port = 17;
 
 void setup() {
   Serial.begin(115200);
-  delay(10);
 
   // We start by connecting to a WiFi network
 

libraries/ESP8266WiFi/examples/WiFiClientBasic/WiFiClientBasic.ino

@@ -17,7 +17,6 @@ ESP8266WiFiMulti WiFiMulti;
 
 void setup() {
   Serial.begin(115200);
-  delay(10);
 
   // We start by connecting to a WiFi network
   WiFi.mode(WIFI_STA);

libraries/ESP8266WiFi/examples/WiFiHTTPSServer/WiFiHTTPSServer.ino

@@ -114,7 +114,6 @@ WiFiServerSecure server(443);
 
 void setup() {
   Serial.begin(115200);
-  delay(10);
 
   // prepare GPIO2
   pinMode(2, OUTPUT);

libraries/ESP8266WiFi/examples/WiFiMulti/WiFiMulti.ino

@@ -10,7 +10,6 @@ ESP8266WiFiMulti wifiMulti;
 
 void setup() {
   Serial.begin(115200);
-  delay(10);
 
   WiFi.mode(WIFI_STA);
   wifiMulti.addAP("ssid_from_AP_1", "your_password_for_AP_1");

libraries/ESP8266WiFi/examples/WiFiWebServer/WiFiWebServer.ino

@@ -18,7 +18,6 @@ WiFiServer server(80);
 
 void setup() {
   Serial.begin(115200);
-  delay(10);
 
   // prepare GPIO2
   pinMode(2, OUTPUT);