core&ui: bug fix

packages/ui-default/locales/en.yaml

@@ -21,7 +21,6 @@ problem_create: Problem Create
 problem_edit: Problem Edit
 problem_import: Import Problem
 problem_main: Problem Set
-problem_settings: Problem Settings
 problem_solution: Problem Solution
 problem_statistics: Problem Statistics
 problem_submit: Problem Submit

packages/ui-default/locales/zh.yaml

@@ -551,7 +551,6 @@ problem_create: 创建题目
 problem_edit: 编辑题目
 problem_import: 导入题目
 problem_main: 题库
-problem_settings: 题目设置
 problem_solution: 题解
 problem_statistics: 题目统计
 problem_submit: 递交代码

packages/ui-default/locales/zh_TW.yaml

@@ -341,7 +341,6 @@ Problem Tags Visibility: 題目標籤可見性
 problem_create: 創建題目
 problem_edit: 編輯題目
 problem_main: 題庫
-problem_settings: 題目設定
 problem_solution: 題解
 problem_submit: 遞交程式碼
 Problem: 題目