MSA: adding new condition to disable few header sections

comprehensive/lms/templates/navigation.html

@@ -64,7 +64,7 @@ site_status_msg = get_site_status_msg(course_id)
         </%block>
       </a>
     </h1>
-
+    % if not enable_account_linking:
     % if course:
       <h2 class="course-header"><span class="provider">${course.display_org_with_default}:</span>
         <span class="course-number">${course.display_number_with_default}</span>
@@ -200,6 +200,7 @@ site_status_msg = get_site_status_msg(course_id)
       </ol>
       % endif
       % endif
+      % endif
     </nav>
 </header>
 % if course: