BulkCurlTask: fixed reference to removed function [ci skip]

src/scheduler/BulkCurlTask.php

@@ -42,7 +42,7 @@ class BulkCurlTask extends AsyncTask{
 	 *
 	 * $operations accepts an array of arrays. Each member array must contain a string mapped to "page", and optionally,
 	 * "timeout", "extraHeaders" and "extraOpts". Documentation of these options are same as those in
-	 * {@link Utils::simpleCurl}.
+	 * {@link Internet::simpleCurl}.
 	 *
 	 * @param BulkCurlTaskOperation[]  $operations
 	 * @phpstan-param list<BulkCurlTaskOperation> $operations