Port away from QtWebKit into QtWebEngine
Summary:
It's unmaintained
We now have in place what we needed to implement QtHelp
Test Plan: manual testing
Reviewers: kfunk, KDevelop
Subscribers: kfunk, ltoscano, mwolff, kossebau, brauch, nalvarez, tcberner, kdevelop-devel
Differential Revision: https://phabricator.kde.org/D5042