laminas#85 : fix test

Signed-off-by: Stéphane Demonchaux <[email protected]>

test/Client/_files/Laminas7683-chunked.php

@@ -3,7 +3,3 @@
 // intentional use of case-insensitive header name
 header('Transfer-encoding: chunked');
 header('content-encoding: gzip');
-flush();
-
-// terminate chunked transfer properly
-echo "00\r\n\r\n";