feat(web): drop decoupled folder badge from video detail

reaction_board/web/static/views/video.js

@@ -61,7 +61,6 @@ export async function renderVideo(root, { params, query }) {
           <span>${escapeHtml(formatDate(detail.pubdate))}</span>
           <span>${escapeHtml(formatDuration(detail.duration))}</span>
           ${detail.pages ? `<span>${formatNumber(detail.pages)} P</span>` : ""}
-          ${detail.folder_title ? badge(detail.folder_title) : ""}
           ${badge(statusLabel(detail.status), `status-${detail.status}`)}
           ${samples < 2 ? badge("样本不足", "warning") : ""}
         </div>