Remove hybi sub directory for WebSocket layout tests

LayoutTests/http/tests/websocket/workers/resources/no-onmessage-in-sync-op.js

 var ws = new WebSocket("ws://127.0.0.1:8880/workers/resources/no-onmessage-in-sync-op");
 
 var events = [];
 // Message receipt should be recorded after bufferedAmount and send() calls.
 var expectedEvents = ["Got bufferedAmount: 0",
                       "Got bufferedAmount: 0",
                       "Got bufferedAmount: 0",
                       "Sent message: 1",
                       "Sent message: 2",
                       "Sent message: 3",
@@ skipping 42 matching lines @@
 
     for (var i = 0; i < expectedEvents.length; ++i) {
         if (events[i] === expectedEvents[i])
             postMessage("PASS: events[" + i + "] is \"" + expectedEvents[i] + "\"");
         else
             postMessage("FAIL: events[" + i + "] should be \"" + expectedEvents[i] + "\" but was \"" + events[i] + "\"");
     }
 
     postMessage("DONE");
 };