quick check with linters

src/graphics/ui/gui_util.cpp

@@ -14,25 +14,6 @@
 
 using namespace gui;
 
-std::shared_ptr<Button> guiutil::backButton(std::shared_ptr<Menu> menu) {
-    return std::dynamic_pointer_cast<Button>(create(
-        "<button padding='10' onclick='menu:back()'>@Back</button>"
-    ));
-}
-
-std::shared_ptr<Button> guiutil::gotoButton(
-    std::wstring text, 
-    const std::string& page, 
-    std::shared_ptr<Menu> menu
-) {
-    text = langs::get(text, L"menu");
-    return std::dynamic_pointer_cast<Button>(create(
-        "<button onclick='menu.page=\""+page+"\"' padding='10'>"+
-            util::wstr2str_utf8(text)+
-        "</button>"
-    ));
-}
-
 std::shared_ptr<gui::UINode> guiutil::create(const std::string& source, scriptenv env) {
     if (env == nullptr) {
         env = scripting::get_root_environment();
@@ -52,7 +33,7 @@ void guiutil::alert(GUI* gui, const std::wstring& text, runnable on_hidden) {
     panel->add(label);
     panel->add(std::make_shared<Button>(
         langs::get(L"Ok"), glm::vec4(10.f), 
-        [=](GUI* gui) {
+        [=](GUI*) {
             if (on_hidden) {
                 on_hidden();
             }