remove unnecessary translation

apps/app/public/static/locales/en_US/translation.json

@@ -642,7 +642,6 @@
     "bulk_export_started": "Please wait a moment...",
     "bulk_export_download_expired": "Download period has expired",
     "bulk_export_job_expired": "Export process was canceled because it took too long",
-    "duplicate_bulk_export_job_error": "Export for the same page and its children is in progress",
     "bulk_export_only_available_for": "Only available for AWS or GCP",
     "export_in_progress": "Export in progress",
     "export_in_progress_explanation": "Export with the same format is already in progress. Would you like to restart to export the latest page contents?",

apps/app/public/static/locales/fr_FR/translation.json

@@ -636,7 +636,6 @@
     "bulk_export_started": "Patientez s'il-vous-plait...",
     "bulk_export_download_expired": "La période de téléchargement a expiré",
     "bulk_export_job_expired": "Le traitement a été interrompu car le temps d'exportation était trop long",
-    "duplicate_bulk_export_job_error": "L'export pour la même page et ses enfants est en cours",
     "bulk_export_only_available_for": "Uniquement disponible pour AWS ou GCP",
     "export_in_progress": "Exportation en cours",
     "export_in_progress_explanation": "L'exportation avec le même format est déjà en cours. Souhaitez-vous redémarrer pour exporter le dernier contenu de la page ?",

apps/app/public/static/locales/ja_JP/translation.json

@@ -675,7 +675,6 @@
     "bulk_export_started": "ただいま準備中です...",
     "bulk_export_download_expired": "ダウンロード期限が切れました",
     "bulk_export_job_expired": "エクスポート時間が長すぎるため、処理が中断されました",
-    "duplicate_bulk_export_job_error": "既に同じページとその配下のエクスポートが進行中です",
     "bulk_export_only_available_for": "AWS と GCP のみ対応しています",
     "export_in_progress": "エクスポート進行中",
     "export_in_progress_explanation": "既に同じ形式でのエクスポートが進行中です。最新のページ内容でエクスポートを最初からやり直しますか？",

apps/app/public/static/locales/zh_CN/translation.json

@@ -645,7 +645,6 @@
     "bulk_export_started": "目前我们正在准备...",
     "bulk_export_download_expired": "下载期限已过",
     "bulk_export_job_expired": "由于导出时间太长，处理被中断",
-    "duplicate_bulk_export_job_error": "正在导出同一页面及其子页面",
     "bulk_export_only_available_for": "仅适用于 AWS 或 GCP",
     "export_in_progress": "导出正在进行中",
     "export_in_progress_explanation": "已在进行相同格式的导出。您要重新启动以导出最新的页面内容吗？",