removed old update functions

src/menuInformationSites.cpp

@@ -64,14 +64,6 @@ void MenuInformationSites::printMenu() {
     this->lastPageNumber = this->currentPage;
 }
 
-void MenuInformationSites::update() {
-    if (millis() - this->lastMillis < this->delay) {
-        return;
-    }
-    this->printMenu();
-    this->lastMillis = millis();
-}
-
 bool MenuInformationSites::setCountPages(uint8_t pages) {
     this->countPages = pages;
     this->currentPage = 0;