去掉社会分享

lms/templates/courseware/course_about.html

@@ -215,7 +215,7 @@ from openedx.core.lib.courses import course_image_url
     <div class="course-sidebar">
       <div class="course-summary">
 
-        <%include file="course_about_sidebar_header.html" />
+        <!-- <%include file="course_about_sidebar_header.html" /> -->
 
         <ol class="important-dates">
           <li class="important-dates-item"><span class="icon fa fa-info-circle" aria-hidden="true"></span><p class="important-dates-item-title">${_("Course Number")}</p><span class="important-dates-item-text course-number">${course.display_number_with_default | h}</span></li>