bitrix убрать kernel_main

php_interface/init.php
AddEventHandler("main", "OnEndBufferContent", "deleteKernelJs");
function deleteKernelJs(&$content) {
   global $USER, $APPLICATION;
   if((is_object($USER) && $USER->IsAuthorized()) || strpos($APPLICATION->GetCurDir(), "/bitrix/")!==false) return;
   if($APPLICATION->GetProperty("save_kernel") == "Y") return;

   $arPatternsToRemove = Array(
      '/<script.+?src=".+?kernel_main\/kernel_main\.js\?\d+"><\/script\>/',
      '/<script.+?src=".+?bitrix\/js\/main\/core\/core[^"]+"><\/script\>/',
      '/<script.+?>BX\.(setCSSList|setJSList)\(\[.+?\]\).*?<\/script>/',
      '/<script.+?>if\(\!window\.BX\)window\.BX.+?<\/script>/',
      '/<script[^>]+?>\(window\.BX\|\|top\.BX\)\.message[^<]+<\/script>/',
   );

   $content = preg_replace($arPatternsToRemove, "", $content);
   $content = preg_replace("/\n{2,}/", "\n\n", $content);
}