Merge pull request #617 from zypA13510/revert-487-patch-1

fix: download speed is 0 on certain platform

backend/garbage.php

@@ -53,11 +53,7 @@ function sendHeaders()
 $chunks = getChunkCount();
 
 // Generate data
-if (function_exists('random_bytes')) {
-    $data = random_bytes(1048576);
-} else {
-    $data = openssl_random_pseudo_bytes(1048576);
-}
+$data = openssl_random_pseudo_bytes(1048576);
 
 // Deliver chunks of 1048576 bytes
 sendHeaders();