Remove hybi sub directory for WebSocket layout tests

LayoutTests/http/tests/websocket/cookie-http-to-ws.pl

 #!/usr/bin/perl -wT
 use strict;
 
-my $originPath = "/websocket/tests/hybi/cookie-http-to-ws.pl";
+my $originPath = "/websocket/cookie-http-to-ws.pl";
 
 if ($ENV{"QUERY_STRING"} eq "clear=1") {
     print "Content-Type: text/plain\r\n";
     print "Set-Cookie: WK-websocket-test-path=0; Path=${originPath}; Max-Age=0\r\n";
     print "Set-Cookie: WK-websocket-test-domain=0; Path=/; Domain=127.0.0.1; Max-Age=0\r\n";
     print "\r\n";
     print "Cookies are cleared.";
     exit;
 }
 
@@ skipping 72 matching lines @@
                                debug('Test #' + i + ' failed.');
                                next();
                            });
     })(i);
 }
 runs[0]();
 </script>
 </body>
 </html>
 HTML