protected String removeAdminHandlers(String content) {
    return content.replaceAll("(?s)<requestHandler\\s+name=\"/admin/\"\\s+class=\"solr.admin.AdminHandlers\"\\s*/>", "");
  }
Updates Log Search configs.

@throws AmbariException
ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog270.java