feat(widgets): simplify locations and paid sidebar

Remove deprecated widget locations and widgets, standardize sidebar labels, and render a compact paid-post purchase card in the article sidebar.

assets/js/widget-set.js

@@ -280,42 +280,6 @@
     });
   }
 
-
-  // Feature intro media tabs.
-  function initFeatureIntro() {
-    document.querySelectorAll('[data-aksrt-feature-intro]').forEach(function (root) {
-      if (root.dataset.aksrtFiBound === '1') return;
-      root.dataset.aksrtFiBound = '1';
-      var tabs = [].slice.call(root.querySelectorAll('.aksrt-fi__tab'));
-      var panels = [].slice.call(root.querySelectorAll('.aksrt-fi__panel'));
-      if (!tabs.length || !panels.length) return;
-      function go(i) {
-        tabs.forEach(function (t, idx) {
-          t.classList.toggle('is-active', idx === i);
-        });
-        panels.forEach(function (p, idx) {
-          p.classList.toggle('is-active', idx === i);
-          var v = p.querySelector('video');
-          if (!v) return;
-          if (idx === i) {
-            if (!v.getAttribute('src') && v.getAttribute('data-src')) {
-              v.setAttribute('src', v.getAttribute('data-src'));
-            }
-            if (v.play) v.play().catch(function () {});
-          } else if (v.pause) {
-            v.pause();
-          }
-        });
-      }
-      tabs.forEach(function (t) {
-        t.addEventListener('click', function () {
-          go(parseInt(t.getAttribute('data-index') || '0', 10));
-        });
-      });
-    });
-  }
-
-
   function initFloatingQRCodes() {
     var wrap = document.querySelector('.float-right');
     if (!wrap) return;
@@ -363,7 +327,6 @@
     initCategoryTabs();
     initProductTabs();
     initMainPostsLazy();
-    initFeatureIntro();
     initFloatingQRCodes();
   }