Remove porting scaffolding, this is entirely on QSslError now
Reviewers: aacid
Reviewed By: aacid
Subscribers: kde-frameworks-devel
Tags: Frameworks
Maniphest Tasks: T11620
Differential Revision: https://phabricator.kde.org/D25371
(cherry picked from commit 3c9bac61808ddb86623660faf1474972b1ff7470)