bug fixed,

remaining issues in mobilenavbar need pruning, need rewrite the class.

components/navbar.tsx

@@ -4,10 +4,8 @@
 
 'use client'
 
-import { usePathname } from 'next/navigation'
 import type { PageMapItem } from 'nextra'
 import { Anchor } from 'nextra/components'
-import { normalizePages } from 'nextra/normalize-pages'
 import type { FC, ReactNode } from 'react'
 
 import cn from 'clsx'