remove unused code related to DuplicatedAlert

packages/app/resource/locales/en_US/translation.json

@@ -373,8 +373,6 @@
       "moved_period": ".",
       "redirected": "You are redirected from",
       "redirected_period": ".",
-      "duplicated": "This page was duplicated from",
-      "duplicated_period": ".",
       "unlinked": "Redirect pages to this page have been deleted.",
       "restricted": "Access to this page is restricted",
       "stale": "More than {{count}} year has passed since last update.",

packages/app/resource/locales/ja_JP/translation.json

@@ -373,8 +373,6 @@
       "moved_period":"から移動しました。",
       "redirected": "リダイレクト元 >>",
       "redirected_period":"",
-      "duplicated": "このページは",
-      "duplicated_period": "から複製されました。",
       "unlinked": "このページへのリダイレクトは削除されました。",
       "restricted": "このページの閲覧は制限されています",
       "stale": "このページは最終更新日から{{count}}年以上が経過しています。",

packages/app/resource/locales/zh_CN/translation.json

@@ -352,8 +352,6 @@
       "moved_period": "",
 			"redirected": "您将从",
       "redirected_period": "",
-			"duplicated": "此页来自",
-      "duplicated_period": "",
 			"unlinked": "将网页重定向到此网页已被删除。",
 			"restricted": "访问此页受到限制",
 			"stale": "自上次更新以来，已超过{{count}年。",

packages/app/src/client/app.jsx

@@ -23,7 +23,6 @@ import PageContentFooter from '../components/PageContentFooter';
 import PageTimeline from '../components/PageTimeline';
 import CommentEditorLazyRenderer from '../components/PageComment/CommentEditorLazyRenderer';
 import ShareLinkAlert from '../components/Page/ShareLinkAlert';
-import DuplicatedAlert from '../components/Page/DuplicatedAlert';
 import RedirectedAlert from '../components/Page/RedirectedAlert';
 import TrashPageList from '../components/TrashPageList';
 import TrashPageAlert from '../components/Page/TrashPageAlert';
@@ -112,7 +111,6 @@ Object.assign(componentMappings, {
   'grw-fab-container': <Fab />,
 
   'share-link-alert': <ShareLinkAlert />,
-  'duplicated-alert': <DuplicatedAlert />,
   'redirected-alert': <RedirectedAlert />,
   'not-found-alert': <NotFoundAlert
     isGuestUserMode={appContainer.isGuestUser}

packages/app/src/components/Page/DuplicatedAlert.jsx

@@ -1,24 +0,0 @@
-import React from 'react';
-import PropTypes from 'prop-types';
-import { withTranslation } from 'react-i18next';
-
-
-const DuplicatedAlert = (props) => {
-  const { t } = props;
-  const urlParams = new URLSearchParams(window.location.search);
-  const fromPath = urlParams.get('duplicated');
-
-  return (
-    <div className="alert alert-success py-3 px-4">
-      <strong>
-        { t('Duplicated') }: {t('page_page.notice.duplicated')} <code>{fromPath}</code> {t('page_page.notice.duplicated_period')}
-      </strong>
-    </div>
-  );
-};
-
-DuplicatedAlert.propTypes = {
-  t: PropTypes.func.isRequired, // i18next
-};
-
-export default withTranslation()(DuplicatedAlert);

packages/app/src/server/views/widget/page_alerts.html

@@ -46,10 +46,6 @@
     </div>
     {% endif %}
 
-    {% if req.query.duplicated and not page.isDeleted() %}
-    <div id="duplicated-alert"></div>
-    {% endif %}
-
     {% if req.query.unlinked %}
     <div class="alert alert-info d-edit-none py-3 px-4">
       <strong>{{ t('Unlinked') }}: </strong> {{ t('page_page.notice.unlinked') }}