Fix issue espressif#5507 "Constructor WebServer::WebServer(IPAddress addr, int port) produces an unexpected result" (cont.)

This fixes what I think might be the cause of CI failures on GitHub for the previous commit, namely the absence of an include file
in examples/MultiHomedServers.

Author: timr49

libraries/WebServer/examples/MultiHomedServers/.gitignore

@@ -54,9 +54,8 @@
  * MultiHomedServers was originally based on HelloServer.
  */
 
-#include "secret.h"
-const char* ssid = MySSID;
-const char* password = MyPASSWORD;
+const char* ssid = "........";
+const char* password = "........";
 const char *apssid = "ESP32";
 
 WebServer *server0, *server1, *server2;