removed chat.c

examples/chat.c

-#include "mongoose.h"
-
-int main(void) {
-  struct mg_server *server = mg_create_server(NULL);
-  mg_set_option(server, "listening_port", "8080");
-  mg_set_option(server, "document_root", "chat_html_root");
-
-  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
-  for (;;) {
-    mg_poll_server(server, 1000);
-  }
-  mg_destroy_server(&server);
-
-  return 0;
-}