core&ui: drop Import.SYZOJ support

packages/ui-default/components/problem/create.page.js

@@ -3,7 +3,7 @@ import { InfoDialog } from 'vj/components/dialog';
 import tpl from 'vj/utils/tpl';
 import i18n from 'vj/utils/i18n';
 
-export default new NamedPage(['problem_create', 'problem_edit', 'problem_import_syzoj'], () => {
+export default new NamedPage(['problem_create', 'problem_edit'], () => {
   $('input[name="pid"]').on('blur', () => {
     if (/^[0-9]+$/.test($('input[name="pid"]').val())) {
       new InfoDialog({

packages/ui-default/locales/ko.yaml

@@ -347,7 +347,6 @@ If enabled, source code will be emailed to you after the submission is accepted.
 If left blank, the built-in template of the corresponding language will be used.: 공백으로 둔다면, 기본 언어로 적용합니다.
 Images: 사진
 Import from: '다음에서 가져오기: '
-Import problem from syzoj.: syzoj에서 문제 가져오기
 Import Problem: 문제 가져오기
 Import: 가져오기
 In 1 day: 하루 안에

packages/ui-default/locales/zh.yaml

@@ -381,7 +381,6 @@ If left blank, the built-in template of the corresponding language will be used.
 Images With Size: 指定大小的图片
 Images: 图片
 Import from: 导入自
-Import problem from syzoj.: 从运行 syzoj 系统的 OJ 导入题目。
 Import Problem: 导入题目
 Import: 导入
 In 1 day: 一天后

packages/ui-default/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.32.12",
+  "version": "4.32.13",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",