Remote download was broken. Fix #1281

Author: cdujeu

core/src/plugins/uploader.http/HttpDownload.php

@@ -225,8 +225,6 @@ public function externalDownload($url, $node, $updateFn) {
 
         // Copy-ing the body to the destination file
         while (!$body->eof()) {
-            $body->read(4096);
-
             $part = $body->read(4096);
             $readBytes = strlen($part);