Remove hybi sub directory for WebSocket layout tests

LayoutTests/http/tests/websocket/workers/resources/close.js

 function postResult(result, actual, expected)
 {
     var message = result ? "PASS" : "FAIL";
     message += ": worker: " + actual + " is ";
     if (!result)
         message += "not ";
     message += expected;
     postMessage(message);
 }
 
@@ skipping 198 matching lines @@
             shouldBe("closeEvent.reason", "reason");
             if (++id != codes.length)
                 test(id);
             else
                 postMessage("DONE");
         };
     })(0);
 }
 
 runCodeTest();