Revert "feat: v2 widget dashboard system"

src/systems/ui/mobile.js

@@ -509,13 +509,6 @@ export function setupMobileTabs() {
     const isMobile = window.innerWidth <= 1000;
     if (!isMobile) return;
 
-    // Check if Dashboard v2 is present - if so, skip mobile tabs (dashboard has its own tab system)
-    const $dashboardContainer = $('#rpg-dashboard-container');
-    if ($dashboardContainer.length > 0) {
-        console.log('[RPG Mobile] Dashboard v2 detected - skipping old mobile tabs setup');
-        return;
-    }
-
     // Check if tabs already exist
     if ($('.rpg-mobile-tabs').length > 0) return;