Purge a verbose no-op.

An if with no side-effects in its test and an empty body is a no-op.
An else block with nothing but a no-op in it is a no-op.
A no-op without even pedagogic value is just a distraction.

Change-Id: I224831a325e6b770d0a99d726d96f73da4b8c11f
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@theqtcompany.com>

src/network/access/qnetworkreplyhttpimpl.cpp

@@ -1788,10 +1788,6 @@ void QNetworkReplyHttpImplPrivate::_q_startOperation()
     if (synchronous) {
         state = Finished;
         q_func()->setFinished(true);
-    } else {
-        if (state != Finished) {
-
-        }
     }
 }