Remove empty translations (#620)

mobile/assets/i18n/fr-FR.json

@@ -12,8 +12,6 @@
   "album_viewer_appbar_share_leave": "Quitter l'album",
   "album_viewer_appbar_share_remove": "Retirer de l'album",
   "album_viewer_page_share_add_users": "Ajouter des utilisateurs",
-  "asset_list_settings_subtitle": "",
-  "asset_list_settings_title": "",
   "backup_album_selection_page_albums_device": "Albums sur l'appareil ({})",
   "backup_album_selection_page_albums_tap": "Tapez pour inclure, tapez deux fois pour exclure",
   "backup_album_selection_page_assets_scatter": "Les éléments peuvent être répartis sur plusieurs albums. De ce fait, les albums peuvent être inclus ou exclus pendant le processus de sauvegarde.",
@@ -21,26 +19,7 @@
   "backup_album_selection_page_selection_info": "Informations sur la sélection",
   "backup_album_selection_page_total_assets": "Total des éléments uniques",
   "backup_all": "Tout",
-  "backup_background_service_backup_failed_message": "",
-  "backup_background_service_connection_failed_message": "",
-  "backup_background_service_current_upload_notification": "",
-  "backup_background_service_default_notification": "",
-  "backup_background_service_error_title": "",
-  "backup_background_service_in_progress_notification": "",
-  "backup_background_service_upload_failure_notification": "",
   "backup_controller_page_albums": "Sauvegarder les albums",
-  "backup_controller_page_background_battery_info_link": "",
-  "backup_controller_page_background_battery_info_message": "",
-  "backup_controller_page_background_battery_info_ok": "",
-  "backup_controller_page_background_battery_info_title": "",
-  "backup_controller_page_background_charging": "",
-  "backup_controller_page_background_configure_error": "",
-  "backup_controller_page_background_description": "",
-  "backup_controller_page_background_is_off": "",
-  "backup_controller_page_background_is_on": "",
-  "backup_controller_page_background_turn_off": "",
-  "backup_controller_page_background_turn_on": "",
-  "backup_controller_page_background_wifi": "",
   "backup_controller_page_backup": "Sauvegardé",
   "backup_controller_page_backup_selected": "Sélectionné : ",
   "backup_controller_page_backup_sub": "Photos et vidéos sauvegardées",
@@ -69,19 +48,6 @@
   "backup_controller_page_uploading_file_info": "Envoi d'informations sur le fichier",
   "backup_err_only_album": "Impossible de retirer le seul album",
   "backup_info_card_assets": "éléments",
-  "cache_settings_album_thumbnails": "",
-  "cache_settings_clear_cache_button": "",
-  "cache_settings_clear_cache_button_title": "",
-  "cache_settings_image_cache_size": "",
-  "cache_settings_statistics_album": "",
-  "cache_settings_statistics_assets": "",
-  "cache_settings_statistics_full": "",
-  "cache_settings_statistics_shared": "",
-  "cache_settings_statistics_thumbnail": "",
-  "cache_settings_statistics_title": "",
-  "cache_settings_subtitle": "",
-  "cache_settings_thumbnail_size": "",
-  "cache_settings_title": "",
   "control_bottom_app_bar_delete": "Supprimer",
   "control_bottom_app_bar_share": "Partager",
   "create_album_page_untitled": "Sans titre",
@@ -127,14 +93,6 @@
   "select_additional_user_for_sharing_page_suggestions": "Suggestions",
   "select_user_for_sharing_page_err_album": "Échec de la création de l'album",
   "select_user_for_sharing_page_share_suggestions": "Suggestions",
-  "setting_notifications_notify_failures_grace_period": "",
-  "setting_notifications_notify_hours": "",
-  "setting_notifications_notify_immediately": "",
-  "setting_notifications_notify_minutes": "",
-  "setting_notifications_notify_never": "",
-  "setting_notifications_subtitle": "",
-  "setting_notifications_title": "",
-  "setting_pages_app_bar_settings": "",
   "share_add": "Ajouter",
   "share_add_photos": "Ajouter des photos",
   "share_add_title": "Ajouter un titre",
@@ -150,16 +108,6 @@
   "tab_controller_nav_photos": "Photos",
   "tab_controller_nav_search": "Recherche",
   "tab_controller_nav_sharing": "Partage",
-  "theme_setting_asset_list_storage_indicator_title": "",
-  "theme_setting_asset_list_tiles_per_row_title": "",
-  "theme_setting_dark_mode_switch": "",
-  "theme_setting_image_viewer_quality_subtitle": "",
-  "theme_setting_image_viewer_quality_title": "",
-  "theme_setting_system_theme_switch": "",
-  "theme_setting_theme_subtitle": "",
-  "theme_setting_theme_title": "",
-  "theme_setting_three_stage_loading_subtitle": "",
-  "theme_setting_three_stage_loading_title": "",
   "version_announcement_overlay_ack": "Confirmer",
   "version_announcement_overlay_release_notes": "notes de mise à jour",
   "version_announcement_overlay_text_1": "Bonjour, une nouvelle version de",