Update src/Browser.php

Co-authored-by: Christian Lück <[email protected]>

Author: 51imyyy

src/Browser.php

@@ -843,11 +843,6 @@ private function requestMayBeStreaming($method, $url, array $headers = array(),
         }
 
         foreach ($this->defaultHeaders as $key => $value) {
-            if ($headers === array()) {
-                $headers = $this->defaultHeaders;
-                break;
-            }
-
             $explicitHeaderExists = false;
             foreach (\array_keys($headers) as $headerKey) {
                 if (\strcasecmp($headerKey, $key) === 0) {