refactor: remove forum and topic feature chains

assets/css/frontend/widget-batch3e.css

@@ -1,5 +1,5 @@
 /**
- * Batch3e: author card, forum topic terms, forum tab topics.
+ * Batch3e: author card.
  */
 
 .aksrt-author-card {
@@ -76,48 +76,3 @@
   text-decoration: none;
   font-size: 13px;
 }
-
-.aksrt-ftag-list { display: flex; flex-direction: column; gap: 6px; }
-.aksrt-ftag-list.is-card {
-  display: grid;
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-  gap: 8px;
-}
-.aksrt-ftag-item {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  padding: 8px 10px;
-  border-radius: 8px;
-  text-decoration: none;
-  color: inherit;
-  background: var(--surface-2, #f8fafc);
-  font-size: 13px;
-}
-.aksrt-ftag-item__name { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
-.aksrt-ftag-item__count { font-size: 11px; color: var(--muted-2-color, #999); }
-
-.aksrt-ftab { margin-bottom: 10px; }
-.aksrt-ftab__nav {
-  list-style: none;
-  display: flex;
-  flex-wrap: wrap;
-  gap: 6px;
-  margin: 0 0 10px;
-  padding: 0;
-}
-.aksrt-ftab__btn {
-  border: 0;
-  background: var(--surface-2, #f3f4f6);
-  border-radius: 999px;
-  padding: 5px 12px;
-  font-size: 12px;
-  cursor: pointer;
-}
-.aksrt-ftab__btn.is-active {
-  background: var(--color-primary, #3b82f6);
-  color: #fff;
-}
-.aksrt-ftab__panel { display: none; }
-.aksrt-ftab__panel.is-active { display: block; }
-.aksrt-ftab__empty { font-size: 12px; color: var(--muted-2-color, #999); margin: 0; }