Removed duplicated strict type declaration

michalbundyra · michalbundyra · commit 69dc20275fb8 · 2018-09-09T00:08:44.000+01:00
diff --git a/src/AbstractSerializer.php b/src/AbstractSerializer.php
@@ -7,8 +7,6 @@
 
 declare(strict_types=1);
 
-declare(strict_types=1);
-
 namespace Zend\Diactoros;
 
 use Psr\Http\Message\StreamInterface;
