Revert "Implement protocol upgrade for HTTP/2 enabled requests"

This reverts commit 12d71f4ea20415ff2274e1e90f9e4d5a8b935d7f.
This change is breaking a build + incomplete as my test revealed.
Will have to re-try later.

Change-Id: I7ea089093a832aa5822caaaac56e62f5fda4df17
Reviewed-by: Liang Qi <liang.qi@qt.io>

1 files changed, 0 insertions, 9 deletions

diff --git a/src/network/access/qhttpprotocolhandler.cpp b/src/network/access/qhttpprotocolhandler.cpp
index ab136af083..b486b75449 100644
--- a/src/network/access/qhttpprotocolhandler.cpp
+++ b/src/network/access/qhttpprotocolhandler.cpp
@@ -129,15 +129,6 @@ void QHttpProtocolHandler::_q_receiveReply()
                 } else {
                     replyPrivate->autoDecompress = false;
                 }
-                if (m_connection->connectionType() == QHttpNetworkConnection::ConnectionTypeHTTP2) {
-                    if (replyPrivate->statusCode == 101) {
-                        QMetaObject::invokeMethod(m_channel, "_q_protocolSwitch", Qt::QueuedConnection);
-                        return;
-                    }
-
-                    // HTTP/2 is not supported? TODO - but can it be something else?
-                    m_channel->requeueSpdyRequests();
-                }
                 if (replyPrivate->statusCode == 100) {
                     replyPrivate->clearHttpLayerInformation();
                     replyPrivate->state = QHttpNetworkReplyPrivate::ReadingStatusState;