D24797: Port away from deprecated icon methods, or remove unnecessary ones

[Volker Krause]

vkrause added a task: T11654: Deprecate SmallIcon/DesktopIcon/BarIcon/UserIcon/MainBarIcon and KDE::icon in favor of KIconLoader or QIcon API.

REPOSITORY
  R94 PIM: Message Library

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D24797

To: vkrause, mlaurent
Cc: kde-pim, fbampaloukas, dvasin, rodsevich, winterz, vkrause, mlaurent, knauss, dvratil
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kde-pim/attachments/20191020/57c2a95c/attachment.html>