fix page_bundle

cms/templates/base.html

@@ -155,7 +155,6 @@ from openedx.core.djangolib.markup import HTML
         });
     </script>
     </%block>
-    <%block name="page_bundle_extra"></%block>
     <%include file="widgets/segment-io-footer.html" />
     <div class="modal-cover"></div>
   </body>

cms/templates/textbooks.html

@@ -27,7 +27,7 @@ CMS.URL.LMS_BASE = "${settings.LMS_BASE}"
 </script>
 </%block>
 
-<%block name="page_bundle_extra">
+<%block name="page_bundle">
   <%static:invoke_page_bundle page_name="js/pages/textbooks" class_name="TextbooksFactory">
      ${textbooks | n, dump_js_escaped_json}
   </%static:invoke_page_bundle>
@@ -54,12 +54,7 @@ CMS.URL.LMS_BASE = "${settings.LMS_BASE}"
 
   <div class="wrapper-content wrapper">
     <section class="content">
-      <article class="content-primary" role="main">
-        ${static.renderReact(
-          component="NoTextbooks",
-          id="no-textbooks-container"
-        )}
-      </article>
+      <article class="content-primary" role="main"></article>
       <aside class="content-supplementary" role="complementary">
         <div class="bit">
           <h3 class="title-3">${_("Why should I break my textbook into chapters?")}</h3>