refactor: Remove MarketTest page and update Navbar navigation

- Delete MarketTest.vue as it is no longer needed for testing purposes.
- Remove the corresponding route from the router configuration.
- Update Navbar.vue to eliminate the 'Market Test' navigation item, streamlining the navigation options.

src/router/index.ts

@@ -49,15 +49,7 @@ const router = createRouter({
         requiresAuth: true
       }
     },
-    {
-      path: '/market-test',
-      name: 'market-test',
-      component: () => import('@/pages/MarketTest.vue'),
-      meta: {
-        title: 'Market Test',
-        requiresAuth: true
-      }
-    }
+
   ]
 })