fix(runtime): remove stale aksrt namespace dependency

assets/js/core/theme.js

@@ -189,7 +189,7 @@
     themeInitialized = true;
 
     var stored = getStoredTheme();
-    var configuredMode = (window.aksrtData && aksrtData.themeMode) || "light";
+    var configuredMode = (window.aksrtData && window.aksrtData.themeMode) || "light";
     if (stored === "dark" || stored === "light") {
       applyTheme(stored);
     } else {
@@ -262,12 +262,6 @@
     bindToggle("dropdown-theme-toggle");
     bindToggle("float-theme-toggle");
     bindToggle("theme-toggle-mobile");
-
-    aksrt.toggleTheme = function (event) {
-      var next = document.body.classList.contains("theme-dark") ? "light" : "dark";
-      setStoredTheme(next);
-      runThemeTransition(next, event);
-    };
   }
 
   if (document.readyState === "loading") {