fix(problems): 官方已经修复了导航

Author: XYShaoKang

src/content/pages/problems/App.tsx

@@ -9,7 +9,6 @@ import { findElement, findElementByXPath, isBetaUI } from '@/utils'
 import { getRoot } from './utils'
 import { Portal } from '@/components/Portal'
 import Random from './Random'
-import { fixBack } from './fixBack'
 
 const App: FC<{ beta?: boolean }> = () => {
   const options = useAppSelector(selectOptions)
@@ -20,7 +19,6 @@ const App: FC<{ beta?: boolean }> = () => {
   useEffectMount(async state => {
     const beta = await isBetaUI()
     if (!state.isMount) return
-    if (beta) fixBack()
     setBeta(beta)
 
     //#region 设置「随机一题」

src/content/pages/problems/fixBack.ts

@@ -14,7 +14,6 @@ export const defaultOptions = {
   problemsPage: {
     timer: true,
     randomQuestion: true,
-    fixBackNav: true,
   },
   contestProblemsPage: {
     disableShortcutkey: false,
@@ -48,7 +47,6 @@ export const labelMap: { [key: string]: string } = {
   fixRandomQuestion: '修复随机一题按钮',
   timer: '计时器',
   randomQuestion: '随机一题',
-  fixBackNav: '修复返回导航',
   disableShortcutkey: '禁用快捷键',
   languageIcon: '语言图标',
   showOldRating: '显示旧分数',